Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/374779?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/374779?format=api", "purl": "pkg:alpm/archlinux/putty@0.75-1", "type": "alpm", "namespace": "archlinux", "name": "putty", "version": "0.75-1", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "0.76-1", "latest_non_vulnerable_version": "0.76-1", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/94824?format=api", "vulnerability_id": "VCID-5524-rbbb-xydc", "summary": "PuTTY through 0.75 proceeds with establishing an SSH session even if it has never sent a substantive authentication response. This makes it easier for an attacker-controlled SSH server to present a later spoofed authentication prompt (that the attacker can use to capture credential data, and use that data for purposes that are undesired by the client user).", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-36367", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33168", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.3316", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33203", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33237", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.3324", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33199", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33175", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33216", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33194", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33157", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33295", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00135", "scoring_system": "epss", "scoring_elements": "0.33327", "published_at": "2026-04-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-36367" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36367", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36367" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990901", "reference_id": "990901", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990901" }, { "reference_url": "https://security.archlinux.org/ASA-202107-37", "reference_id": "ASA-202107-37", "reference_type": "", "scores": [], "url": "https://security.archlinux.org/ASA-202107-37" }, { "reference_url": "https://security.archlinux.org/AVG-2143", "reference_id": "AVG-2143", "reference_type": "", "scores": [ { "value": "Low", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-2143" }, { "reference_url": "https://git.tartarus.org/?p=simon/putty.git%3Ba=commit%3Bh=1dc5659aa62848f0aeb5de7bd3839fecc7debefa", "reference_id": "putty.git%3Ba=commit%3Bh=1dc5659aa62848f0aeb5de7bd3839fecc7debefa", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-02-22T20:07:50Z/" } ], "url": "https://git.tartarus.org/?p=simon/putty.git%3Ba=commit%3Bh=1dc5659aa62848f0aeb5de7bd3839fecc7debefa" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/374780?format=api", "purl": "pkg:alpm/archlinux/putty@0.76-1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/putty@0.76-1" } ], "aliases": [ "CVE-2021-36367" ], "risk_score": 3.6, "exploitability": "0.5", "weighted_severity": "7.3", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-5524-rbbb-xydc" } ], "fixing_vulnerabilities": [ { "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.", "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": "0.60739", "published_at": "2026-04-18T12:55:00Z" }, { "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" } ], "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" } ], "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" } ], "aliases": [ "CVE-2021-33500" ], "risk_score": 1.4, "exploitability": "0.5", "weighted_severity": "2.7", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-px5z-rr8a-4fea" } ], "risk_score": "3.6", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/putty@0.75-1" }