Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/251379?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/251379?format=api", "vulnerability_id": "VCID-px5z-rr8a-4fea", "summary": "PuTTY before 0.75 on Windows allows remote servers to cause a denial of service (Windows GUI hang) by telling the PuTTY window to change its title repeatedly at high speed, which results in many SetWindowTextA or SetWindowTextW calls. NOTE: the same attack methodology may affect some OS-level GUIs on Linux or other platforms for similar reasons.", "aliases": [ { "alias": "CVE-2021-33500" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/374779?format=api", "purl": "pkg:alpm/archlinux/putty@0.75-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5524-rbbb-xydc" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/putty@0.75-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/936056?format=api", "purl": "pkg:deb/debian/putty@0?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/putty@0%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/936045?format=api", "purl": "pkg:deb/debian/putty@0.74-1%2Bdeb11u2?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/putty@0.74-1%252Bdeb11u2%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/936043?format=api", "purl": "pkg:deb/debian/putty@0.78-2%2Bdeb12u2?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/putty@0.78-2%252Bdeb12u2%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/936046?format=api", "purl": "pkg:deb/debian/putty@0.83-3?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/putty@0.83-3%3Fdistro=trixie" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/374801?format=api", "purl": "pkg:alpm/archlinux/putty@0.74-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-px5z-rr8a-4fea" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/putty@0.74-1" } ], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-33500", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60825", "published_at": "2026-05-14T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60561", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60635", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60664", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60634", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60682", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60698", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60723", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.6071", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.6069", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60733", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60739", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60711", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60724", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60716", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60672", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60719", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60776", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60737", "published_at": "2026-05-11T12:55:00Z" }, { "value": "0.004", "scoring_system": "epss", "scoring_elements": "0.60764", "published_at": "2026-05-12T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-33500" }, { "reference_url": "https://security.archlinux.org/AVG-1978", "reference_id": "AVG-1978", "reference_type": "", "scores": [ { "value": "Low", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-1978" } ], "weaknesses": [], "exploits": [], "severity_range_score": "0.1 - 3", "exploitability": "0.5", "weighted_severity": "2.7", "risk_score": 1.4, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-px5z-rr8a-4fea" }