Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/63187?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/63187?format=api", "vulnerability_id": "VCID-3w3b-gzvg-87ag", "summary": "If a user had granted a permission to a webpage and saved that grant, any webpage running on the same host - irrespective of scheme or port - would be granted that permission.*This bug only affects Firefox for Android. Other operating systems are unaffected.*", "aliases": [ { "alias": "CVE-2021-29971" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/372019?format=api", "purl": "pkg:alpm/archlinux/firefox@90.0-1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@90.0-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/582227?format=api", "purl": "pkg:deb/debian/firefox@0?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@0%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/582059?format=api", "purl": "pkg:deb/debian/firefox@149.0-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0-1%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/1059611?format=api", "purl": "pkg:deb/debian/firefox@149.0.2-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0.2-1%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/1076056?format=api", "purl": "pkg:deb/debian/firefox@150.0-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0-1%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/1088670?format=api", "purl": "pkg:deb/debian/firefox@150.0.1-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.1-1%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/1105248?format=api", "purl": "pkg:deb/debian/firefox@150.0.2-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.2-1%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/1112518?format=api", "purl": "pkg:deb/debian/firefox@150.0.3-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@150.0.3-1%3Fdistro=sid" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/372018?format=api", "purl": "pkg:alpm/archlinux/firefox@89.0.2-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-3w3b-gzvg-87ag" }, { "vulnerability": "VCID-3zwq-1hwc-3fgj" }, { "vulnerability": "VCID-66dg-7sm8-vbgx" }, { "vulnerability": "VCID-8v6f-5kdt-9qam" }, { "vulnerability": "VCID-bxgd-f6n7-r3cj" }, { "vulnerability": "VCID-d34y-zjxp-9ugj" }, { "vulnerability": "VCID-teh4-fmg6-53ab" }, { "vulnerability": "VCID-ubmh-fmpu-fuff" }, { "vulnerability": "VCID-vx1t-x168-4bb8" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/firefox@89.0.2-1" } ], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-29971", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61583", "published_at": "2026-05-15T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61314", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61515", "published_at": "2026-05-12T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61568", "published_at": "2026-05-14T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61391", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61419", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61389", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61435", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61451", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61473", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61458", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.6144", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61479", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61483", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61467", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61454", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61469", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61465", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61416", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61526", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.00412", "scoring_system": "epss", "scoring_elements": "0.61487", "published_at": "2026-05-11T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-29971" }, { "reference_url": "https://security.archlinux.org/AVG-2149", "reference_id": "AVG-2149", "reference_type": "", "scores": [ { "value": "High", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2149" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-28", "reference_id": "mfsa2021-28", "reference_type": "", "scores": [ { "value": "high", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-28" } ], "weaknesses": [], "exploits": [], "severity_range_score": "7.0 - 8.9", "exploitability": "0.5", "weighted_severity": "8.0", "risk_score": 4.0, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-3w3b-gzvg-87ag" }