Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/22269?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/22269?format=api", "purl": "pkg:pypi/matrix-synapse@1.40.0rc2", "type": "pypi", "namespace": "", "name": "matrix-synapse", "version": "1.40.0rc2", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "1.106.0", "latest_non_vulnerable_version": "1.139.1", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8418?format=api", "vulnerability_id": "VCID-3stp-shy4-dudr", "summary": "Synapse is an open source home server implementation for the Matrix chat network. In versions prior to 1.61.1 URL previews of some web pages can exhaust the available stack space for the Synapse process due to unbounded recursion. This is sometimes recoverable and leads to an error for the request causing the problem, but in other cases the Synapse process may crash altogether. It is possible to exploit this maliciously, either by malicious users on the homeserver, or by remote users sending URLs that a local user's client may automatically request a URL preview for. Remote users are not able to exploit this directly, because the URL preview endpoint is authenticated. Deployments with `url_preview_enabled: false` set in configuration are not affected. Deployments with `url_preview_enabled: true` set in configuration **are** affected. Deployments with no configuration value set for `url_preview_enabled` are not affected, because the default is `false`. Administrators of homeservers with URL previews enabled are advised to upgrade to v1.61.1 or higher. Users unable to upgrade should set `url_preview_enabled` to false.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2022-31052", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00376", "scoring_system": "epss", "scoring_elements": "0.59458", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2022-31052" }, { "reference_url": "https://github.com/matrix-org/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse" }, { "reference_url": "https://github.com/matrix-org/synapse/commit/fa1308061802ac7b7d20e954ba7372c5ac292333", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:04:10Z/" } ], "url": "https://github.com/matrix-org/synapse/commit/fa1308061802ac7b7d20e954ba7372c5ac292333" }, { "reference_url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-22p3-qrh9-cx32", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:04:10Z/" } ], "url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-22p3-qrh9-cx32" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2022-224.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2022-224.yaml" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7EARKKJZ2W7WUITFDT4EG4NVATFYJQHF", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7EARKKJZ2W7WUITFDT4EG4NVATFYJQHF" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7EARKKJZ2W7WUITFDT4EG4NVATFYJQHF/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7EARKKJZ2W7WUITFDT4EG4NVATFYJQHF/" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGSDQ4YAITCUACAB7SXQZDJIU3IQ4CJD", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGSDQ4YAITCUACAB7SXQZDJIU3IQ4CJD" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGSDQ4YAITCUACAB7SXQZDJIU3IQ4CJD/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGSDQ4YAITCUACAB7SXQZDJIU3IQ4CJD/" }, { "reference_url": "https://spec.matrix.org/v1.2/client-server-api/#get_matrixmediav3preview_url", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:04:10Z/" } ], "url": "https://spec.matrix.org/v1.2/client-server-api/#get_matrixmediav3preview_url" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EARKKJZ2W7WUITFDT4EG4NVATFYJQHF/", "reference_id": "7EARKKJZ2W7WUITFDT4EG4NVATFYJQHF", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:04:10Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EARKKJZ2W7WUITFDT4EG4NVATFYJQHF/" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2022-31052", "reference_id": "CVE-2022-31052", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-31052" }, { "reference_url": "https://github.com/advisories/GHSA-22p3-qrh9-cx32", "reference_id": "GHSA-22p3-qrh9-cx32", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-22p3-qrh9-cx32" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGSDQ4YAITCUACAB7SXQZDJIU3IQ4CJD/", "reference_id": "QGSDQ4YAITCUACAB7SXQZDJIU3IQ4CJD", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:04:10Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGSDQ4YAITCUACAB7SXQZDJIU3IQ4CJD/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/26988?format=api", "purl": "pkg:pypi/matrix-synapse@1.61.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5fgp-pcfw-33gk" }, { "vulnerability": "VCID-66cm-6sgb-bqft" }, { "vulnerability": "VCID-9wuf-2wxr-z7a8" }, { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-mmge-uj6j-k3c2" }, { "vulnerability": "VCID-nmup-uep4-b7hw" }, { "vulnerability": "VCID-pg5k-2upe-dudk" }, { "vulnerability": "VCID-ry9q-34p9-auh6" }, { "vulnerability": "VCID-tug1-g6m1-j3f3" }, { "vulnerability": "VCID-v54a-sjgy-b7ca" }, { "vulnerability": "VCID-z5ga-q6zr-3kb5" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.61.1" } ], "aliases": [ "CVE-2022-31052", "GHSA-22p3-qrh9-cx32", "PYSEC-2022-224" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-3stp-shy4-dudr" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/5211?format=api", "vulnerability_id": "VCID-3tbz-jcb2-4fdn", "summary": "directory traversal", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-41281", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00545", "scoring_system": "epss", "scoring_elements": "0.68092", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-41281" }, { "reference_url": "https://github.com/matrix-org/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse" }, { "reference_url": "https://github.com/matrix-org/synapse/commit/91f2bd090", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/commit/91f2bd090" }, { "reference_url": "https://github.com/matrix-org/synapse/releases/tag/v1.47.1", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/releases/tag/v1.47.1" }, { "reference_url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-3hfw-x7gx-437c", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-3hfw-x7gx-437c" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2021-436.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2021-436.yaml" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EU7QRE55U4IUEDLKT5IYPWL3UXMELFAS", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EU7QRE55U4IUEDLKT5IYPWL3UXMELFAS" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N3WY56LCEZ4ZECLWV5KMAXF2PSMUB4F2", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N3WY56LCEZ4ZECLWV5KMAXF2PSMUB4F2" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1000451", "reference_id": "1000451", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1000451" }, { "reference_url": "https://security.archlinux.org/AVG-2581", "reference_id": "AVG-2581", "reference_type": "", "scores": [ { "value": "Medium", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2581" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41281", "reference_id": "CVE-2021-41281", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41281" }, { "reference_url": "https://github.com/advisories/GHSA-3hfw-x7gx-437c", "reference_id": "GHSA-3hfw-x7gx-437c", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-3hfw-x7gx-437c" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/23842?format=api", "purl": "pkg:pypi/matrix-synapse@1.47.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3stp-shy4-dudr" }, { "vulnerability": "VCID-5fgp-pcfw-33gk" }, { "vulnerability": "VCID-66cm-6sgb-bqft" }, { "vulnerability": "VCID-9wuf-2wxr-z7a8" }, { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-mmge-uj6j-k3c2" }, { "vulnerability": "VCID-nmup-uep4-b7hw" }, { "vulnerability": "VCID-pg5k-2upe-dudk" }, { "vulnerability": "VCID-ry9q-34p9-auh6" }, { "vulnerability": "VCID-tug1-g6m1-j3f3" }, { "vulnerability": "VCID-v54a-sjgy-b7ca" }, { "vulnerability": "VCID-z5ga-q6zr-3kb5" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.47.1" } ], "aliases": [ "CVE-2021-41281", "GHSA-3hfw-x7gx-437c", "PYSEC-2021-436" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-3tbz-jcb2-4fdn" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/5376?format=api", "vulnerability_id": "VCID-43wz-3reu-s3ep", "summary": "information disclosure", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-39163", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.002", "scoring_system": "epss", "scoring_elements": "0.41926", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-39163" }, { "reference_url": "https://github.com/matrix-org/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", 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"vulnerability": "VCID-3stp-shy4-dudr" }, { "vulnerability": "VCID-3tbz-jcb2-4fdn" }, { "vulnerability": "VCID-5fgp-pcfw-33gk" }, { "vulnerability": "VCID-66cm-6sgb-bqft" }, { "vulnerability": "VCID-9wuf-2wxr-z7a8" }, { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-mmge-uj6j-k3c2" }, { "vulnerability": "VCID-nmup-uep4-b7hw" }, { "vulnerability": "VCID-pg5k-2upe-dudk" }, { "vulnerability": "VCID-ry9q-34p9-auh6" }, { "vulnerability": "VCID-tug1-g6m1-j3f3" }, { "vulnerability": "VCID-v54a-sjgy-b7ca" }, { "vulnerability": "VCID-z5ga-q6zr-3kb5" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.41.1" } ], "aliases": [ "CVE-2021-39163", "GHSA-jj53-8fmw-f2w2", "PYSEC-2021-424" ], "risk_score": 3.1, "exploitability": "0.5", "weighted_severity": "6.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-43wz-3reu-s3ep" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8903?format=api", "vulnerability_id": "VCID-5fgp-pcfw-33gk", "summary": "Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Prior to version 1.94.0, a malicious server ACL event can impact performance temporarily or permanently leading to a persistent denial of service. Homeservers running on a closed federation (which presumably do not need to use server ACLs) are not affected. Server administrators are advised to upgrade to Synapse 1.94.0 or later. 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"http://public2.vulnerablecode.io/api/packages/35214?format=api", "purl": "pkg:pypi/matrix-synapse@1.94.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-nmup-uep4-b7hw" }, { "vulnerability": "VCID-ry9q-34p9-auh6" }, { "vulnerability": "VCID-tug1-g6m1-j3f3" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.94.0" } ], "aliases": [ "CVE-2023-45129", "GHSA-5chr-wjw5-3gq4", "PYSEC-2023-199" ], "risk_score": 2.2, "exploitability": "0.5", "weighted_severity": "4.4", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-5fgp-pcfw-33gk" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8788?format=api", "vulnerability_id": "VCID-66cm-6sgb-bqft", "summary": "Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix Federation API allows remote homeservers to request the authorization events in a room. This is necessary so that a homeserver receiving some events can validate that those events are legitimate and permitted in their room. However, in versions of Synapse up to and including 1.68.0, a Synapse homeserver answering a query for authorization events does not sufficiently check that the requesting server should be able to access them. The issue was patched in Synapse 1.69.0. Homeserver administrators are advised to upgrade.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2022-39335", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00149", "scoring_system": "epss", "scoring_elements": "0.35159", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2022-39335" }, { "reference_url": "https://github.com/matrix-org/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "7.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse" }, { "reference_url": "https://github.com/matrix-org/synapse/issues/13288", "reference_id": "", "reference_type": "", "scores": [ { "value": "5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "5.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "7.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-14T19:45:19Z/" } ], "url": "https://github.com/matrix-org/synapse/issues/13288" }, { "reference_url": "https://github.com/matrix-org/synapse/pull/13823", "reference_id": "", "reference_type": "", "scores": [ { "value": "5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "5.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "7.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-14T19:45:19Z/" } ], "url": "https://github.com/matrix-org/synapse/pull/13823" }, { "reference_url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-45cj-f97f-ggwv", "reference_id": "", "reference_type": "", "scores": [ { "value": "5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "5.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "7.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-14T19:45:19Z/" } ], "url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-45cj-f97f-ggwv" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2023-65.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "7.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2023-65.yaml" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T2MBNMZAFY4RCZL2VGBGAPKGB4JUPZVS", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "7.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T2MBNMZAFY4RCZL2VGBGAPKGB4JUPZVS" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2022-39335", "reference_id": "CVE-2022-39335", "reference_type": "", "scores": [ { "value": "5.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "7.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-39335" }, { "reference_url": "https://github.com/advisories/GHSA-45cj-f97f-ggwv", "reference_id": "GHSA-45cj-f97f-ggwv", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-45cj-f97f-ggwv" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T2MBNMZAFY4RCZL2VGBGAPKGB4JUPZVS/", "reference_id": "T2MBNMZAFY4RCZL2VGBGAPKGB4JUPZVS", "reference_type": "", "scores": [ { "value": "5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-14T19:45:19Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T2MBNMZAFY4RCZL2VGBGAPKGB4JUPZVS/" }, { "reference_url": "https://usn.ubuntu.com/7444-1/", "reference_id": "USN-7444-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/7444-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/32721?format=api", "purl": "pkg:pypi/matrix-synapse@1.69.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5fgp-pcfw-33gk" }, { "vulnerability": "VCID-9wuf-2wxr-z7a8" }, { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-nmup-uep4-b7hw" }, { "vulnerability": "VCID-pg5k-2upe-dudk" }, { "vulnerability": "VCID-ry9q-34p9-auh6" }, { "vulnerability": "VCID-tug1-g6m1-j3f3" }, { "vulnerability": "VCID-v54a-sjgy-b7ca" }, { "vulnerability": "VCID-x5jc-ezaq-xudd" }, { "vulnerability": "VCID-z5ga-q6zr-3kb5" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.69.0" } ], "aliases": [ "CVE-2022-39335", "GHSA-45cj-f97f-ggwv", "PYSEC-2023-65" ], "risk_score": null, "exploitability": "0.5", "weighted_severity": "0.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-66cm-6sgb-bqft" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8892?format=api", "vulnerability_id": "VCID-9wuf-2wxr-z7a8", "summary": "Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read receipts for any event (if they knew the room ID and event ID). Note that the users were not able to view the events, but simply mark it as read. This could be confusing as clients will show the event as read by the user, even if they are not in the room. This issue has been patched in version 1.93.0. Users are advised to upgrade. There are no known workarounds for this issue.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-42453", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00225", "scoring_system": "epss", "scoring_elements": "0.45353", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-42453" }, { "reference_url": "https://github.com/matrix-org/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse" }, { "reference_url": "https://github.com/matrix-org/synapse/commit/63d28a88c1d18c64ea7e23b6dd7483e6d5dcf881", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/commit/63d28a88c1d18c64ea7e23b6dd7483e6d5dcf881" }, { "reference_url": "https://github.com/matrix-org/synapse/pull/16327", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N" }, { "value": "4.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-01-09T16:28:42Z/" } ], "url": "https://github.com/matrix-org/synapse/pull/16327" }, { "reference_url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-7565-cq32-vx2x", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N" }, { "value": "4.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": 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"" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/65QPC55I4D27HIZP7H2NQ34EOXHPP4AO" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N6P4QULVUE254WI7XF2LWWOGHCYVFXFY", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N6P4QULVUE254WI7XF2LWWOGHCYVFXFY" }, { "reference_url": "https://security.gentoo.org/glsa/202401-12", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-01-09T16:28:42Z/" } ], "url": "https://security.gentoo.org/glsa/202401-12" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1053283", "reference_id": "1053283", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1053283" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2AFB2Y3S2VCPCN5P2XCZTG24MBMZ7DM4/", "reference_id": "2AFB2Y3S2VCPCN5P2XCZTG24MBMZ7DM4", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-01-09T16:28:42Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2AFB2Y3S2VCPCN5P2XCZTG24MBMZ7DM4/" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/65QPC55I4D27HIZP7H2NQ34EOXHPP4AO/", "reference_id": "65QPC55I4D27HIZP7H2NQ34EOXHPP4AO", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-01-09T16:28:42Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/65QPC55I4D27HIZP7H2NQ34EOXHPP4AO/" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-42453", "reference_id": "CVE-2023-42453", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-42453" }, { "reference_url": "https://github.com/advisories/GHSA-7565-cq32-vx2x", "reference_id": "GHSA-7565-cq32-vx2x", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-7565-cq32-vx2x" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N6P4QULVUE254WI7XF2LWWOGHCYVFXFY/", "reference_id": "N6P4QULVUE254WI7XF2LWWOGHCYVFXFY", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-01-09T16:28:42Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N6P4QULVUE254WI7XF2LWWOGHCYVFXFY/" }, { "reference_url": "https://usn.ubuntu.com/7444-1/", "reference_id": "USN-7444-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/7444-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/34968?format=api", "purl": "pkg:pypi/matrix-synapse@1.93.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5fgp-pcfw-33gk" }, { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-nmup-uep4-b7hw" }, { "vulnerability": "VCID-ry9q-34p9-auh6" }, { "vulnerability": "VCID-tug1-g6m1-j3f3" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.93.0" } ], "aliases": [ "CVE-2023-42453", "GHSA-7565-cq32-vx2x", "PYSEC-2023-180" ], "risk_score": 1.9, "exploitability": "0.5", "weighted_severity": "3.9", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-9wuf-2wxr-z7a8" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/5375?format=api", "vulnerability_id": "VCID-arh5-tp1n-nubq", "summary": "information disclosure", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-39164", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00271", "scoring_system": "epss", "scoring_elements": "0.50746", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-39164" }, { "reference_url": "https://github.com/matrix-org/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse" }, { "reference_url": "https://github.com/matrix-org/synapse/commit/cb35df940a", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/commit/cb35df940a" }, { "reference_url": "https://github.com/matrix-org/synapse/releases/tag/v1.41.1", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/releases/tag/v1.41.1" }, { "reference_url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-3x4c-pq33-4w3q", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-3x4c-pq33-4w3q" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2021-425.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2021-425.yaml" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2VHDEPCZ22GJFMZCWA2XZAGPOEV72POF", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2VHDEPCZ22GJFMZCWA2XZAGPOEV72POF" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2VHDEPCZ22GJFMZCWA2XZAGPOEV72POF/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2VHDEPCZ22GJFMZCWA2XZAGPOEV72POF/" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PXT7ID7DNBRN2TVTETU3SYQHJKEG6PXN", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PXT7ID7DNBRN2TVTETU3SYQHJKEG6PXN" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PXT7ID7DNBRN2TVTETU3SYQHJKEG6PXN/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PXT7ID7DNBRN2TVTETU3SYQHJKEG6PXN/" }, { "reference_url": "https://security.archlinux.org/AVG-2334", "reference_id": "AVG-2334", "reference_type": "", "scores": [ { "value": "Medium", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2334" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-39164", "reference_id": "CVE-2021-39164", "reference_type": "", "scores": [ { "value": "3.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-39164" }, { "reference_url": "https://github.com/advisories/GHSA-3x4c-pq33-4w3q", "reference_id": "GHSA-3x4c-pq33-4w3q", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-3x4c-pq33-4w3q" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/22274?format=api", "purl": "pkg:pypi/matrix-synapse@1.41.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3stp-shy4-dudr" }, { "vulnerability": "VCID-3tbz-jcb2-4fdn" }, { "vulnerability": "VCID-5fgp-pcfw-33gk" }, { "vulnerability": "VCID-66cm-6sgb-bqft" }, { "vulnerability": "VCID-9wuf-2wxr-z7a8" }, { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-mmge-uj6j-k3c2" }, { "vulnerability": "VCID-nmup-uep4-b7hw" }, { "vulnerability": "VCID-pg5k-2upe-dudk" }, { "vulnerability": "VCID-ry9q-34p9-auh6" }, { "vulnerability": "VCID-tug1-g6m1-j3f3" }, { "vulnerability": "VCID-v54a-sjgy-b7ca" }, { "vulnerability": "VCID-z5ga-q6zr-3kb5" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.41.1" } ], "aliases": [ "CVE-2021-39164", "GHSA-3x4c-pq33-4w3q", "PYSEC-2021-425" ], "risk_score": 3.1, "exploitability": "0.5", "weighted_severity": "6.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-arh5-tp1n-nubq" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/9283?format=api", "vulnerability_id": "VCID-g7rm-55dm-tybk", "summary": "Synapse is an open-source Matrix homeserver. Synapse versions before 1.106 are vulnerable to a disk fill attack, where an unauthenticated adversary can induce Synapse to download and cache large amounts of remote media. The default rate limit strategy is insufficient to mitigate this. This can lead to a denial of service, ranging from further media uploads/downloads failing to completely unavailability of the Synapse process, depending on how Synapse was deployed. Synapse 1.106 introduces a new \"leaky bucket\" rate limit on remote media downloads to reduce the amount of data a user can request at a time. This does not fully address the issue, but does limit an unauthenticated user's ability to request large amounts of data to be cached.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2024-37302", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00568", "scoring_system": "epss", "scoring_elements": "0.68844", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2024-37302" }, { "reference_url": "https://github.com/element-hq/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/element-hq/synapse" }, { "reference_url": "https://github.com/element-hq/synapse/security/advisories/GHSA-4mhg-xv73-xq2x", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T18:55:21Z/" } ], "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-4mhg-xv73-xq2x" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37302", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37302" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/187298?format=api", "purl": "pkg:pypi/matrix-synapse@1.106", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.106" }, { "url": "http://public2.vulnerablecode.io/api/packages/43088?format=api", "purl": "pkg:pypi/matrix-synapse@1.106.0", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.106.0" } ], "aliases": [ "CVE-2024-37302", "GHSA-4mhg-xv73-xq2x", "PYSEC-2024-286" ], "risk_score": 3.4, "exploitability": "0.5", "weighted_severity": "6.8", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-g7rm-55dm-tybk" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8466?format=api", "vulnerability_id": "VCID-mmge-uj6j-k3c2", "summary": "Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix specification specifies a list of [event authorization rules](https://spec.matrix.org/v1.2/rooms/v9/#authorization-rules) which must be checked when determining if an event should be accepted into a room. In versions of Synapse up to and including version 1.61.0, some of these rules are not correctly applied. An attacker could craft events which would be accepted by Synapse but not a spec-conformant server, potentially causing divergence in the room state between servers. Administrators of homeservers with federation enabled are advised to upgrade to version 1.62.0 or higher. Federation can be disabled by setting [`federation_domain_whitelist`](https://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html#federation_domain_whitelist) to an empty list (`[]`) as a workaround.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2022-31152", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00731", "scoring_system": "epss", "scoring_elements": "0.73006", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2022-31152" }, { "reference_url": "https://github.com/matrix-org/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse" }, { "reference_url": "https://github.com/matrix-org/synapse/commit/d4b1c0d800eaa83c4d56a9cf17881ad362b9194b", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/commit/d4b1c0d800eaa83c4d56a9cf17881ad362b9194b" }, { "reference_url": "https://github.com/matrix-org/synapse/commit/e16ea87d0f8c4c30cad36f85488eb1f647e640b0", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/commit/e16ea87d0f8c4c30cad36f85488eb1f647e640b0" }, { "reference_url": "https://github.com/matrix-org/synapse/pull/13087", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H" }, { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:01:29Z/" } ], "url": "https://github.com/matrix-org/synapse/pull/13087" }, { "reference_url": "https://github.com/matrix-org/synapse/pull/13088", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H" }, { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:01:29Z/" } ], "url": "https://github.com/matrix-org/synapse/pull/13088" }, { "reference_url": "https://github.com/matrix-org/synapse/releases/tag/v1.62.0", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H" }, { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:01:29Z/" } ], "url": "https://github.com/matrix-org/synapse/releases/tag/v1.62.0" }, { "reference_url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-jhjh-776m-4765", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H" }, { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:01:29Z/" } ], "url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-jhjh-776m-4765" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2022-262.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2022-262.yaml" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2022-31152", "reference_id": "CVE-2022-31152", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-31152" }, { "reference_url": "https://github.com/advisories/GHSA-jhjh-776m-4765", "reference_id": "GHSA-jhjh-776m-4765", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-jhjh-776m-4765" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/27894?format=api", "purl": "pkg:pypi/matrix-synapse@1.62.0rc1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5fgp-pcfw-33gk" }, { "vulnerability": "VCID-66cm-6sgb-bqft" }, { "vulnerability": "VCID-9wuf-2wxr-z7a8" }, { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-mmge-uj6j-k3c2" }, { "vulnerability": "VCID-nmup-uep4-b7hw" }, { "vulnerability": "VCID-pg5k-2upe-dudk" }, { "vulnerability": "VCID-ry9q-34p9-auh6" }, { "vulnerability": "VCID-tug1-g6m1-j3f3" }, { "vulnerability": "VCID-v54a-sjgy-b7ca" }, { "vulnerability": "VCID-z5ga-q6zr-3kb5" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.62.0rc1" }, { "url": "http://public2.vulnerablecode.io/api/packages/27897?format=api", "purl": "pkg:pypi/matrix-synapse@1.62.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-1z78-c7my-5fbp" }, { "vulnerability": "VCID-5fgp-pcfw-33gk" }, { "vulnerability": "VCID-66cm-6sgb-bqft" }, { "vulnerability": "VCID-9wuf-2wxr-z7a8" }, { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-nmup-uep4-b7hw" }, { "vulnerability": "VCID-pg5k-2upe-dudk" }, { "vulnerability": "VCID-ry9q-34p9-auh6" }, { "vulnerability": "VCID-tug1-g6m1-j3f3" }, { "vulnerability": "VCID-v54a-sjgy-b7ca" }, { "vulnerability": "VCID-z5ga-q6zr-3kb5" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.62.0" } ], "aliases": [ "CVE-2022-31152", "GHSA-jhjh-776m-4765", "PYSEC-2022-262" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-mmge-uj6j-k3c2" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/9284?format=api", "vulnerability_id": "VCID-nmup-uep4-b7hw", "summary": "Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can use this functionality to plant problematic content into the media repository. Synapse 1.106 introduces a partial mitigation in the form of new endpoints which require authentication for media downloads. The unauthenticated endpoints will be frozen in a future release, closing the attack vector.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2024-37303", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00342", "scoring_system": "epss", "scoring_elements": "0.57075", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2024-37303" }, { "reference_url": "https://github.com/element-hq/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/element-hq/synapse" }, { "reference_url": "https://github.com/element-hq/synapse/security/advisories/GHSA-gjgr-7834-rhxr", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L" }, { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T18:49:29Z/" } ], "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-gjgr-7834-rhxr" }, { "reference_url": "https://github.com/matrix-org/matrix-spec-proposals/pull/3916", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N" }, { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T18:49:29Z/" } ], "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/3916" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37303", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L" }, { "value": "6.9", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37303" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/187298?format=api", "purl": "pkg:pypi/matrix-synapse@1.106", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.106" }, { "url": "http://public2.vulnerablecode.io/api/packages/43088?format=api", "purl": "pkg:pypi/matrix-synapse@1.106.0", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.106.0" } ], "aliases": [ "CVE-2024-37303", "GHSA-gjgr-7834-rhxr", "PYSEC-2024-287" ], "risk_score": 2.4, "exploitability": "0.5", "weighted_severity": "4.8", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-nmup-uep4-b7hw" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8794?format=api", "vulnerability_id": "VCID-pg5k-2upe-dudk", "summary": "Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the `url_preview_url_blacklist` setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the `url_preview_ip_range_blacklist` setting (by default this only allows public IPs) and by the limited information returned to the client: 1. For discovered oEmbed URLs, any non-JSON response or a JSON response which includes non-oEmbed information is discarded. 2. For discovered image URLs, any non-image response is discarded. Systems which have URL preview disabled (via the `url_preview_enabled` setting) or have not configured a `url_preview_url_blacklist` are not affected. This issue has been addressed in version 1.85.0. Users are advised to upgrade. User unable to upgrade may also disable URL previews.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-32683", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00268", "scoring_system": "epss", "scoring_elements": "0.50467", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-32683" }, { "reference_url": "https://github.com/matrix-org/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse" }, { "reference_url": "https://github.com/matrix-org/synapse/pull/15601", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-07T16:25:39Z/" } ], "url": "https://github.com/matrix-org/synapse/pull/15601" }, { "reference_url": "https://github.com/matrix-org/synapse/releases/tag/v1.85.0", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/releases/tag/v1.85.0" }, { "reference_url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-98px-6486-j7qc", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-07T16:25:39Z/" } ], "url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-98px-6486-j7qc" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2023-85.yaml", "reference_id": "", "reference_type": "", "scores": [ { 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"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6DH5A5YEB5LRIPP32OUW25FCGZFCZU2" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1037207", "reference_id": "1037207", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1037207" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32683", "reference_id": "CVE-2023-32683", "reference_type": "", "scores": [ { "value": "3.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N" }, { "value": "5.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32683" }, { "reference_url": "https://github.com/advisories/GHSA-98px-6486-j7qc", "reference_id": "GHSA-98px-6486-j7qc", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-98px-6486-j7qc" }, { "reference_url": "https://usn.ubuntu.com/7444-1/", "reference_id": "USN-7444-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/7444-1/" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6DH5A5YEB5LRIPP32OUW25FCGZFCZU2/", "reference_id": "X6DH5A5YEB5LRIPP32OUW25FCGZFCZU2", "reference_type": "", "scores": [ { "value": "3.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-07T16:25:39Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6DH5A5YEB5LRIPP32OUW25FCGZFCZU2/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/32835?format=api", "purl": "pkg:pypi/matrix-synapse@1.85.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5fgp-pcfw-33gk" }, { "vulnerability": "VCID-9wuf-2wxr-z7a8" }, { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-nmup-uep4-b7hw" }, { "vulnerability": "VCID-ry9q-34p9-auh6" }, { "vulnerability": "VCID-tug1-g6m1-j3f3" }, { "vulnerability": "VCID-x5jc-ezaq-xudd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.85.0" } ], "aliases": [ "CVE-2023-32683", "GHSA-98px-6486-j7qc", "PYSEC-2023-85" ], "risk_score": null, "exploitability": "0.5", "weighted_severity": "0.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-pg5k-2upe-dudk" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/9104?format=api", "vulnerability_id": "VCID-ry9q-34p9-auh6", "summary": "Synapse is an open-source Matrix homeserver. A remote Matrix user with malicious intent, sharing a room with Synapse instances before 1.105.1, can dispatch specially crafted events to exploit a weakness in the V2 state resolution algorithm. This can induce high CPU consumption and accumulate excessive data in the database of such instances, resulting in a denial of service. Servers in private federations, or those that do not federate, are not affected. Server administrators should upgrade to 1.105.1 or later. Some workarounds are available. One can ban the malicious users or ACL block servers from the rooms and/or leave the room and purge the room using the admin API.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2024-31208", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.03089", "scoring_system": "epss", "scoring_elements": "0.87015", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2024-31208" }, { "reference_url": "https://github.com/element-hq/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/element-hq/synapse" }, { "reference_url": "https://github.com/element-hq/synapse/commit/55b0aa847a61774b6a3acdc4b177a20dc019f01a", "reference_id": "", "reference_type": "", "scores": [ { 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"https://github.com/element-hq/synapse/security/advisories/GHSA-3h7q-rfh9-xm4v", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-23T19:13:09Z/" } ], "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-3h7q-rfh9-xm4v" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2024-50.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "MODERATE", "scoring_system": "generic_textual", 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}, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RR53FNHV446CB37TP45GZ6F6HZLZCK3K" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSF4NJJSTSQRJQ47PLYYSCFYKJBP7DET", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSF4NJJSTSQRJQ47PLYYSCFYKJBP7DET" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1069763", "reference_id": "1069763", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1069763" }, { 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"reference_id": "USN-7444-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/7444-1/" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSF4NJJSTSQRJQ47PLYYSCFYKJBP7DET/", "reference_id": "VSF4NJJSTSQRJQ47PLYYSCFYKJBP7DET", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-23T19:13:09Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VSF4NJJSTSQRJQ47PLYYSCFYKJBP7DET/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/39820?format=api", "purl": "pkg:pypi/matrix-synapse@1.105.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-nmup-uep4-b7hw" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.105.1" } ], "aliases": [ "CVE-2024-31208", "GHSA-3h7q-rfh9-xm4v", "PYSEC-2024-50" ], "risk_score": 3.1, "exploitability": "0.5", "weighted_severity": "6.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-ry9q-34p9-auh6" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8932?format=api", "vulnerability_id": "VCID-tug1-g6m1-j3f3", "summary": "Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver. System administrators are encouraged to upgrade to Synapse 1.95.1 or 1.96.0rc1 to receive a patch. As a workaround, the `federation_domain_whitelist` can be used to limit federation traffic with a homeserver.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-43796", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00265", "scoring_system": "epss", "scoring_elements": "0.50135", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-43796" }, { "reference_url": "https://github.com/matrix-org/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse" }, { "reference_url": "https://github.com/matrix-org/synapse/commit/daec55e1fe120c564240c5386e77941372bf458f", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", 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"value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VH3RNC5ZPQZ4OKPSL4E6BBJSZOQLGDEY" }, { "reference_url": "https://security.gentoo.org/glsa/202401-12", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://security.gentoo.org/glsa/202401-12" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1055255", "reference_id": "1055255", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1055255" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-43796", "reference_id": "CVE-2023-43796", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-43796" }, { "reference_url": "https://github.com/advisories/GHSA-mp92-3jfm-3575", "reference_id": "GHSA-mp92-3jfm-3575", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-mp92-3jfm-3575" }, { "reference_url": "https://usn.ubuntu.com/7444-1/", "reference_id": "USN-7444-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/7444-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/36633?format=api", "purl": "pkg:pypi/matrix-synapse@1.95.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-nmup-uep4-b7hw" }, { "vulnerability": "VCID-ry9q-34p9-auh6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.95.1" } ], "aliases": [ "CVE-2023-43796", "GHSA-mp92-3jfm-3575", "PYSEC-2023-230" ], "risk_score": 2.4, "exploitability": "0.5", "weighted_severity": "4.8", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-tug1-g6m1-j3f3" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8793?format=api", "vulnerability_id": "VCID-v54a-sjgy-b7ca", "summary": "Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the `jwt_config.enabled` configuration setting. 2. The local password database is enabled via the `password_config.enabled` and `password_config.localdb_enabled` configuration settings *and* a user's password is updated via an admin API after a user is deactivated. Note that the local password database is enabled by default, but it is uncommon to set a user's password after they've been deactivated. Installations that are configured to only allow login via Single Sign-On (SSO) via CAS, SAML or OpenID Connect (OIDC); or via an external password provider (e.g. LDAP) are not affected. If not using JSON Web Tokens, ensure that deactivated users do not have a password set. This issue has been addressed in version 1.85.0. Users are advised to upgrade.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-32682", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00975", "scoring_system": "epss", "scoring_elements": "0.76996", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-32682" }, { "reference_url": "https://github.com/matrix-org/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N" }, { "value": "5.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse" }, { "reference_url": "https://github.com/matrix-org/synapse/issues/12274", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N" }, { "value": "5.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/issues/12274" }, { "reference_url": "https://github.com/matrix-org/synapse/pull/15624", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N" }, { "value": "5.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-07T16:28:39Z/" } ], "url": "https://github.com/matrix-org/synapse/pull/15624" }, { "reference_url": "https://github.com/matrix-org/synapse/pull/15634", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N" }, { "value": "5.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-07T16:28:39Z/" } ], "url": "https://github.com/matrix-org/synapse/pull/15634" }, { "reference_url": "https://github.com/matrix-org/synapse/releases/tag/v1.85.0", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N" }, { "value": "5.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/releases/tag/v1.85.0" }, { "reference_url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-26c5-ppr8-f33p", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N" }, { "value": "5.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-07T16:28:39Z/" } ], "url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-26c5-ppr8-f33p" }, { 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"https://matrix-org.github.io/synapse/latest/admin_api/user_admin_api.html#create-or-modify-account" }, { "reference_url": "https://matrix-org.github.io/synapse/latest/jwt.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N" }, { "value": "5.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-07T16:28:39Z/" } ], "url": "https://matrix-org.github.io/synapse/latest/jwt.html" }, { "reference_url": "https://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html#password_config", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.4", "scoring_system": "cvssv3.1", 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"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-07T16:28:39Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X6DH5A5YEB5LRIPP32OUW25FCGZFCZU2/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/32835?format=api", "purl": "pkg:pypi/matrix-synapse@1.85.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5fgp-pcfw-33gk" }, { "vulnerability": "VCID-9wuf-2wxr-z7a8" }, { "vulnerability": "VCID-g7rm-55dm-tybk" }, { "vulnerability": "VCID-nmup-uep4-b7hw" }, { "vulnerability": "VCID-ry9q-34p9-auh6" }, { "vulnerability": "VCID-tug1-g6m1-j3f3" }, { "vulnerability": "VCID-x5jc-ezaq-xudd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.85.0" } ], "aliases": [ "CVE-2023-32682", "GHSA-26c5-ppr8-f33p", "PYSEC-2023-84" ], "risk_score": null, "exploitability": "0.5", "weighted_severity": "0.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-v54a-sjgy-b7ca" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8787?format=api", "vulnerability_id": "VCID-z5ga-q6zr-3kb5", "summary": "Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. A malicious user on a Synapse homeserver X with permission to create certain state events can disable outbound federation from X to an arbitrary homeserver Y. Synapse instances with federation disabled are not affected. In versions of Synapse up to and including 1.73, Synapse did not limit the size of `invite_room_state`, meaning that it was possible to create an arbitrarily large invite event. Synapse 1.74 refuses to create oversized `invite_room_state` fields. Server operators should upgrade to Synapse 1.74 or newer urgently.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-32323", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33116", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-32323" }, { "reference_url": "https://github.com/matrix-org/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.0", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L" }, { "value": "5.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:L" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse" }, { "reference_url": "https://github.com/matrix-org/synapse/issues/14492", "reference_id": 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