Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/100723?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/100723?format=api", "vulnerability_id": "VCID-fj5p-xkmp-vken", "summary": "A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.", "aliases": [ { "alias": "CVE-2021-20316" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/128489?format=api", "purl": "pkg:deb/debian/samba@2:4.16.0%2Bdfsg-2?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/samba@2:4.16.0%252Bdfsg-2%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/195389?format=api", "purl": "pkg:deb/debian/samba@2:4.17.12%2Bdfsg-0%2Bdeb12u2", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/samba@2:4.17.12%252Bdfsg-0%252Bdeb12u2" }, { "url": "http://public2.vulnerablecode.io/api/packages/128363?format=api", "purl": "pkg:deb/debian/samba@2:4.17.12%2Bdfsg-0%2Bdeb12u3?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/samba@2:4.17.12%252Bdfsg-0%252Bdeb12u3%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/128367?format=api", "purl": "pkg:deb/debian/samba@2:4.22.8%2Bdfsg-0%2Bdeb13u1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/samba@2:4.22.8%252Bdfsg-0%252Bdeb13u1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/128366?format=api", "purl": "pkg:deb/debian/samba@2:4.24.3%2Bdfsg-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/samba@2:4.24.3%252Bdfsg-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/192994?format=api", "purl": "pkg:ebuild/net-fs/samba@4.18.4", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ebuild/net-fs/samba@4.18.4" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/5636?format=api", "purl": "pkg:deb/debian/samba@2:4.13.13%2Bdfsg-1~deb11u6", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5tc4-e6tj-3qfa" }, { "vulnerability": "VCID-7n9k-74nf-ayah" }, { "vulnerability": "VCID-7rsk-suge-a7b4" }, { "vulnerability": "VCID-8jp7-e281-tqha" }, { "vulnerability": "VCID-8yq8-wp1b-p7gt" }, { "vulnerability": "VCID-9cv8-xnmm-cyh8" }, { "vulnerability": "VCID-9kyr-nxjs-xkaw" }, { "vulnerability": "VCID-afjh-h9hy-u7dz" }, { "vulnerability": "VCID-atg1-qx5q-hfdu" }, { "vulnerability": "VCID-bkse-muh9-t7a8" }, { "vulnerability": "VCID-e2b4-vjgq-sbdq" }, { "vulnerability": "VCID-fb3p-pr3k-wbhj" }, { "vulnerability": "VCID-fj5p-xkmp-vken" }, { "vulnerability": "VCID-gec9-c1be-dkba" }, { "vulnerability": "VCID-gx57-3mtp-hqdh" }, { "vulnerability": "VCID-hxfw-6htj-wkhg" }, { "vulnerability": "VCID-j1a6-7vhx-sbh7" }, { "vulnerability": "VCID-j358-djx5-8qdw" }, { "vulnerability": "VCID-mnnu-hrtz-uyeg" }, { "vulnerability": "VCID-mtrk-m8jm-gyfg" }, { "vulnerability": "VCID-pzrp-6xtn-37db" }, { "vulnerability": "VCID-t156-69p4-s7gu" }, { "vulnerability": "VCID-usyw-3jt1-xyez" }, { "vulnerability": "VCID-wc2t-bbf1-mua5" }, { "vulnerability": "VCID-x9ky-gfg3-hfen" }, { "vulnerability": "VCID-xmpf-4zxw-dybe" }, { "vulnerability": "VCID-xt8n-4rnc-b7fs" }, { "vulnerability": "VCID-zx6s-p6p1-z7ft" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/samba@2:4.13.13%252Bdfsg-1~deb11u6" }, { "url": "http://public2.vulnerablecode.io/api/packages/128365?format=api", "purl": "pkg:deb/debian/samba@2:4.13.13%2Bdfsg-1~deb11u6?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5tc4-e6tj-3qfa" }, { "vulnerability": "VCID-7n9k-74nf-ayah" }, { "vulnerability": "VCID-7rsk-suge-a7b4" }, { "vulnerability": "VCID-8jp7-e281-tqha" }, { "vulnerability": "VCID-8yq8-wp1b-p7gt" }, { "vulnerability": "VCID-9cv8-xnmm-cyh8" }, { "vulnerability": "VCID-9kyr-nxjs-xkaw" }, { "vulnerability": "VCID-afjh-h9hy-u7dz" }, { "vulnerability": "VCID-atg1-qx5q-hfdu" }, { "vulnerability": "VCID-bkse-muh9-t7a8" }, { "vulnerability": "VCID-e2b4-vjgq-sbdq" }, { "vulnerability": "VCID-fb3p-pr3k-wbhj" }, { "vulnerability": "VCID-fj5p-xkmp-vken" }, { "vulnerability": "VCID-gec9-c1be-dkba" }, { "vulnerability": "VCID-gx57-3mtp-hqdh" }, { "vulnerability": "VCID-hxfw-6htj-wkhg" }, { "vulnerability": "VCID-j1a6-7vhx-sbh7" }, { "vulnerability": "VCID-j358-djx5-8qdw" }, { "vulnerability": "VCID-mnnu-hrtz-uyeg" }, { "vulnerability": "VCID-mtrk-m8jm-gyfg" }, { "vulnerability": "VCID-t156-69p4-s7gu" }, { "vulnerability": "VCID-usyw-3jt1-xyez" }, { "vulnerability": "VCID-wc2t-bbf1-mua5" }, { "vulnerability": "VCID-x9ky-gfg3-hfen" }, { "vulnerability": "VCID-xmpf-4zxw-dybe" }, { "vulnerability": "VCID-xt8n-4rnc-b7fs" }, { "vulnerability": "VCID-zx6s-p6p1-z7ft" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/samba@2:4.13.13%252Bdfsg-1~deb11u6%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/134343?format=api", "purl": "pkg:rpm/redhat/samba@4.15.5-5?arch=el8", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-bkse-muh9-t7a8" }, { "vulnerability": "VCID-fj5p-xkmp-vken" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/samba@4.15.5-5%3Farch=el8" }, { "url": "http://public2.vulnerablecode.io/api/packages/134344?format=api", "purl": "pkg:rpm/redhat/samba@4.15.5-100?arch=el8rhgs", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-bkse-muh9-t7a8" }, { "vulnerability": "VCID-fj5p-xkmp-vken" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/samba@4.15.5-100%3Farch=el8rhgs" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20316.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20316.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-20316", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00813", "scoring_system": "epss", "scoring_elements": "0.74621", "published_at": "2026-06-04T12:55:00Z" }, { "value": "0.00813", "scoring_system": "epss", "scoring_elements": "0.74652", "published_at": "2026-06-05T12:55:00Z" }, { "value": "0.00813", "scoring_system": "epss", "scoring_elements": "0.74658", "published_at": "2026-06-06T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-20316" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20316", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20316" }, { "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:L/UI:N/S:U/C:L/I:H/A:N" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1004690", "reference_id": "1004690", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1004690" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2009673", "reference_id": "2009673", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2009673" }, { "reference_url": "https://security.gentoo.org/glsa/202309-06", "reference_id": "GLSA-202309-06", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/202309-06" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:1756", "reference_id": "RHSA-2022:1756", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:1756" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2022:2074", "reference_id": "RHSA-2022:2074", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2022:2074" } ], "weaknesses": [ { "cwe_id": 362, "name": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')", "description": "The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently." } ], "exploits": [], "severity_range_score": "5.9 - 5.9", "exploitability": "0.5", "weighted_severity": "5.3", "risk_score": 2.6, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-fj5p-xkmp-vken" }