Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/63210?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/63210?format=api", "vulnerability_id": "VCID-w74w-gxyf-4kg3", "summary": "When a download was initiated, the client did not check whether it was in normal or private browsing mode, which led to private mode cookies being shared in normal browsing mode.", "aliases": [ { "alias": "CVE-2021-29958" } ], "fixed_packages": [ { "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" }, { "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/86289?format=api", "purl": "pkg:mozilla/Firefox%20for%20iOS@34.0.0", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:mozilla/Firefox%2520for%2520iOS@34.0.0" } ], "affected_packages": [], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-29958", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.4006", "published_at": "2026-05-12T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40389", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40476", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40502", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40425", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40475", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40486", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40507", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.4047", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.4045", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40498", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40466", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40391", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.4028", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40268", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40187", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40048", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40116", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40132", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.00186", "scoring_system": "epss", "scoring_elements": "0.40036", "published_at": "2026-05-11T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-29958" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-25", "reference_id": "mfsa2021-25", "reference_type": "", "scores": [ { "value": "none", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-25" } ], "weaknesses": [], "exploits": [], "severity_range_score": null, "exploitability": null, "weighted_severity": null, "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-w74w-gxyf-4kg3" }