Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/40251?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/40251?format=api", "vulnerability_id": "VCID-38sd-nr5v-7ffu", "summary": "Improper Verification of Cryptographic Signature\nSynapse allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.", "aliases": [ { "alias": "CVE-2018-16515" }, { "alias": "GHSA-fmvh-rvq5-hhjx" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/115838?format=api", "purl": "pkg:deb/debian/matrix-synapse@0.33.3.1-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/matrix-synapse@0.33.3.1-1%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/115834?format=api", "purl": "pkg:deb/debian/matrix-synapse@1.152.1-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/matrix-synapse@1.152.1-1%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/13092?format=api", "purl": "pkg:pypi/matrix-synapse@0.33.5", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-1k7r-p98w-7bg6" }, { "vulnerability": "VCID-2q41-366b-jfbs" }, { "vulnerability": "VCID-2uq2-kcfr-87gr" }, { "vulnerability": "VCID-361n-7ar1-fqgr" }, { "vulnerability": "VCID-3gx5-a6ja-eyhc" }, { "vulnerability": "VCID-3sbj-6gut-cybe" }, { "vulnerability": "VCID-44n9-z1mc-fydq" }, { "vulnerability": "VCID-4vve-jkk2-rueg" }, { "vulnerability": "VCID-57xv-u1be-mfez" }, { "vulnerability": "VCID-6bx9-6prt-vffg" }, { "vulnerability": "VCID-8vfd-w1xq-wuf9" }, { "vulnerability": "VCID-9jy7-pnmw-1bbq" }, { "vulnerability": "VCID-9t8r-dp58-xydr" }, { "vulnerability": "VCID-b461-xbt2-9fg1" }, { "vulnerability": "VCID-bmw9-6jkv-t3ds" }, { "vulnerability": "VCID-bnz6-nw3z-77gd" }, { "vulnerability": "VCID-buj8-8fqz-yyfe" }, { "vulnerability": "VCID-d6yz-j1f9-cfec" }, { "vulnerability": "VCID-djck-vkte-q7he" }, { "vulnerability": "VCID-ewxj-3jt9-p7af" }, { "vulnerability": "VCID-ftmr-xpa4-mbfd" }, { "vulnerability": "VCID-gmab-mbjg-gbet" }, { "vulnerability": "VCID-gre7-9vu7-vqdh" }, { "vulnerability": "VCID-hnm3-rn4r-1qa4" }, { "vulnerability": "VCID-j8zw-nzgv-mkeq" }, { "vulnerability": "VCID-mgxc-w86p-yqcm" }, { "vulnerability": "VCID-mqta-hmxv-duh6" }, { "vulnerability": "VCID-mxt4-9769-pkd5" }, { "vulnerability": "VCID-p7my-33nz-puhn" }, { "vulnerability": "VCID-qgzv-dqh8-c3gp" }, { "vulnerability": "VCID-rab2-vwyz-ufdt" }, { "vulnerability": "VCID-swgx-he8k-1qhy" }, { "vulnerability": "VCID-ubx5-xans-8bey" }, { "vulnerability": "VCID-z4xn-smp8-tfcj" }, { "vulnerability": "VCID-zc47-w46p-9bhx" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@0.33.5" } ], "affected_packages": [], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2018-16515", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00442", "scoring_system": "epss", "scoring_elements": "0.63624", "published_at": "2026-06-05T12:55:00Z" }, { "value": "0.00442", "scoring_system": "epss", "scoring_elements": "0.63582", "published_at": "2026-06-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2018-16515" }, { "reference_url": "https://github.com/matrix-org/synapse", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse" }, { "reference_url": "https://github.com/matrix-org/synapse/commit/5bf8bc79ebc22c61968f2eb487714813fccbdb9b", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/commit/5bf8bc79ebc22c61968f2eb487714813fccbdb9b" }, { "reference_url": "https://github.com/matrix-org/synapse/commit/804dd41e18c449e711e443398b95c9f6c68b6fa2", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/commit/804dd41e18c449e711e443398b95c9f6c68b6fa2" }, { "reference_url": "https://github.com/matrix-org/synapse/commit/a5a0bf5cf71caed3c4e3677d2bce667c147dadfc", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/commit/a5a0bf5cf71caed3c4e3677d2bce667c147dadfc" }, { "reference_url": "https://github.com/matrix-org/synapse/commit/c127c8d0421f0228a46ebbe280c9537e8d8ea42b", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/commit/c127c8d0421f0228a46ebbe280c9537e8d8ea42b" }, { "reference_url": "https://github.com/matrix-org/synapse/issues/3796#event-1833126269", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/matrix-org/synapse/issues/3796#event-1833126269" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P" }, { "reference_url": "https://matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1" }, { "reference_url": "https://matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1/" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=908044", "reference_id": "908044", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=908044" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2018-16515", "reference_id": "CVE-2018-16515", "reference_type": "", "scores": [ { "value": "8.8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-16515" }, { "reference_url": "https://usn.ubuntu.com/6076-1/", "reference_id": "USN-6076-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/6076-1/" } ], "weaknesses": [ { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." }, { "cwe_id": 347, "name": "Improper Verification of Cryptographic Signature", "description": "The product does not verify, or incorrectly verifies, the cryptographic signature for data." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." } ], "exploits": [], "severity_range_score": "7.0 - 8.9", "exploitability": null, "weighted_severity": null, "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-38sd-nr5v-7ffu" }