Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/20913?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/20913?format=api", "purl": "pkg:pypi/neutron@16.3.1", "type": "pypi", "namespace": "", "name": "neutron", "version": "16.3.1", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "16.4.1", "latest_non_vulnerable_version": "20.3.0", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8144?format=api", "vulnerability_id": "VCID-j5k3-2tqh-gucf", "summary": "An issue was discovered in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. Authenticated attackers can reconfigure dnsmasq via a crafted extra_dhcp_opts value.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-40085", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.01348", "scoring_system": "epss", "scoring_elements": "0.80395", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-40085" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "8", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/openstack/neutron", "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:H/A:N" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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/openstack/neutron" }, { "reference_url": "https://github.com/openstack/neutron/commit/df891f0593d234e01f27d7c0376d9702e178ecfb", "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:H/A:N" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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/openstack/neutron/commit/df891f0593d234e01f27d7c0376d9702e178ecfb" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-361.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:H/A:N" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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/neutron/PYSEC-2021-361.yaml" }, { "reference_url": "https://launchpad.net/bugs/1939733", "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:H/A:N" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://launchpad.net/bugs/1939733" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html", "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:H/A:N" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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.debian.org/debian-lts-announce/2021/10/msg00005.html" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html", "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:H/A:N" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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.debian.org/debian-lts-announce/2022/05/msg00038.html" }, { "reference_url": "https://security.openstack.org/ossa/OSSA-2021-005.html", "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:H/A:N" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://security.openstack.org/ossa/OSSA-2021-005.html" }, { "reference_url": "https://www.debian.org/security/2021/dsa-4983", "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:H/A:N" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.debian.org/security/2021/dsa-4983" }, { "reference_url": "http://www.openwall.com/lists/oss-security/2021/08/31/2", "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:H/A:N" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "http://www.openwall.com/lists/oss-security/2021/08/31/2" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993398", "reference_id": "993398", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993398" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-40085", "reference_id": "CVE-2021-40085", "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:H/A:N" }, { "value": "7.1", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-2021-40085" }, { "reference_url": "https://github.com/advisories/GHSA-fh73-gjvg-349c", "reference_id": "GHSA-fh73-gjvg-349c", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-fh73-gjvg-349c" }, { "reference_url": "https://usn.ubuntu.com/6067-1/", "reference_id": "USN-6067-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/6067-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/22209?format=api", "purl": "pkg:pypi/neutron@16.4.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@16.4.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/22276?format=api", "purl": "pkg:pypi/neutron@17.2.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@17.2.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/22277?format=api", "purl": "pkg:pypi/neutron@18.1.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@18.1.1" } ], "aliases": [ "CVE-2021-40085", "GHSA-fh73-gjvg-349c", "PYSEC-2021-361" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-j5k3-2tqh-gucf" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8138?format=api", "vulnerability_id": "VCID-kp6z-cahn-4fa2", "summary": "OpenStack Neutron before 16.4.1, 17.x before 17.1.3, and 18.0.0 allows hardware address impersonation when the linuxbridge driver with ebtables-nft is used on a Netfilter-based platform. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the hardware addresses of other systems on the network, resulting in denial of service or in some cases possibly interception of traffic intended for other destinations.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-38598", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00138", "scoring_system": "epss", "scoring_elements": "0.33599", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-38598" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/openstack/neutron", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" }, { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/openstack/neutron" }, { "reference_url": "https://github.com/openstack/neutron/commit/0a931391d8990f3e654b4bfda24ae4119c609bbf", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" }, { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/openstack/neutron/commit/0a931391d8990f3e654b4bfda24ae4119c609bbf" }, { "reference_url": "https://github.com/openstack/neutron/commit/cc0d28a3e2ccfad6fc2ff24d78f009cbe3992575", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" }, { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/openstack/neutron/commit/cc0d28a3e2ccfad6fc2ff24d78f009cbe3992575" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-360.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" }, { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/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/neutron/PYSEC-2021-360.yaml" }, { "reference_url": "https://launchpad.net/bugs/1938670", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" }, { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://launchpad.net/bugs/1938670" }, { "reference_url": "https://opendev.org/openstack/neutron/commit/fafa5dacd5057120562184a734e7345e7c0e9639", "reference_id": "", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" }, { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://opendev.org/openstack/neutron/commit/fafa5dacd5057120562184a734e7345e7c0e9639" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38598", "reference_id": "CVE-2021-38598", "reference_type": "", "scores": [ { "value": "9.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" }, { "value": "8.8", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/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-2021-38598" }, { "reference_url": "https://github.com/advisories/GHSA-hvm4-mc7m-22w4", "reference_id": "GHSA-hvm4-mc7m-22w4", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-hvm4-mc7m-22w4" }, { "reference_url": "https://usn.ubuntu.com/6067-1/", "reference_id": "USN-6067-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/6067-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/22209?format=api", "purl": "pkg:pypi/neutron@16.4.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@16.4.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/22210?format=api", "purl": "pkg:pypi/neutron@17.1.3", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@17.1.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/22211?format=api", "purl": "pkg:pypi/neutron@18.1.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-j5k3-2tqh-gucf" }, { "vulnerability": "VCID-x5uf-31ga-huch" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@18.1.0" } ], "aliases": [ "CVE-2021-38598", "GHSA-hvm4-mc7m-22w4", "PYSEC-2021-360" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-kp6z-cahn-4fa2" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8150?format=api", "vulnerability_id": "VCID-x5uf-31ga-huch", "summary": "An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-40797", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00694", "scoring_system": "epss", "scoring_elements": "0.72211", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-40797" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.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" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/openstack/neutron", "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/openstack/neutron" }, { "reference_url": "https://github.com/openstack/neutron/commit/e610a5eb9e71aa2549fb11e2139370d227787da2", "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/openstack/neutron/commit/e610a5eb9e71aa2549fb11e2139370d227787da2" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-329.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/neutron/PYSEC-2021-329.yaml" }, { "reference_url": "https://launchpad.net/bugs/1942179", "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://launchpad.net/bugs/1942179" }, { "reference_url": "https://security.openstack.org/ossa/OSSA-2021-006.html", "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://security.openstack.org/ossa/OSSA-2021-006.html" }, { "reference_url": "http://www.openwall.com/lists/oss-security/2021/09/09/2", "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": "http://www.openwall.com/lists/oss-security/2021/09/09/2" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=994202", "reference_id": "994202", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=994202" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-40797", "reference_id": "CVE-2021-40797", "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-2021-40797" }, { "reference_url": "https://github.com/advisories/GHSA-cpx3-696p-3cw9", "reference_id": "GHSA-cpx3-696p-3cw9", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-cpx3-696p-3cw9" }, { "reference_url": "https://usn.ubuntu.com/6067-1/", "reference_id": "USN-6067-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/6067-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/22209?format=api", "purl": "pkg:pypi/neutron@16.4.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@16.4.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/22276?format=api", "purl": "pkg:pypi/neutron@17.2.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@17.2.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/22277?format=api", "purl": "pkg:pypi/neutron@18.1.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@18.1.1" } ], "aliases": [ "CVE-2021-40797", "GHSA-cpx3-696p-3cw9", "PYSEC-2021-329" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-x5uf-31ga-huch" } ], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/8104?format=api", "vulnerability_id": "VCID-euk9-aaqn-4qa8", "summary": "A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some cases possibly interception of traffic intended for other destinations. Only deployments using the Open vSwitch driver are affected. Source: OpenStack project. Versions before openstack-neutron 15.3.3, openstack-neutron 16.3.1 and openstack-neutron 17.1.1 are affected.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-20267", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00126", "scoring_system": "epss", "scoring_elements": "0.31586", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-20267" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1934330", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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:L/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1934330" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://github.com/openstack/neutron", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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:L/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/openstack/neutron" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/neutron/PYSEC-2021-136.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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:L/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/neutron/PYSEC-2021-136.yaml" }, { "reference_url": "https://security.openstack.org/ossa/OSSA-2021-001.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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:L/VI:N/VA:H/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://security.openstack.org/ossa/OSSA-2021-001.html" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=985104", "reference_id": "985104", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=985104" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20267", "reference_id": "CVE-2021-20267", "reference_type": "", "scores": [ { "value": "7.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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:L/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-2021-20267" }, { "reference_url": "https://github.com/advisories/GHSA-w8hx-f868-pvch", "reference_id": "GHSA-w8hx-f868-pvch", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-w8hx-f868-pvch" }, { "reference_url": "https://usn.ubuntu.com/6067-1/", "reference_id": "USN-6067-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/6067-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/20912?format=api", "purl": "pkg:pypi/neutron@15.3.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-j5k3-2tqh-gucf" }, { "vulnerability": "VCID-kp6z-cahn-4fa2" }, { "vulnerability": "VCID-x5uf-31ga-huch" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@15.3.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/20913?format=api", "purl": "pkg:pypi/neutron@16.3.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-j5k3-2tqh-gucf" }, { "vulnerability": "VCID-kp6z-cahn-4fa2" }, { "vulnerability": "VCID-x5uf-31ga-huch" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@16.3.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/20914?format=api", "purl": "pkg:pypi/neutron@17.1.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-j5k3-2tqh-gucf" }, { "vulnerability": "VCID-kp6z-cahn-4fa2" }, { "vulnerability": "VCID-x5uf-31ga-huch" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@17.1.1" } ], "aliases": [ "CVE-2021-20267", "GHSA-w8hx-f868-pvch", "PYSEC-2021-136" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-euk9-aaqn-4qa8" } ], "risk_score": "4.0", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/neutron@16.3.1" }