Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/498781?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/498781?format=api", "purl": "pkg:apk/alpine/knot-resolver@5.1.1-r0?arch=x86&distroversion=v3.23&reponame=community", "type": "apk", "namespace": "alpine", "name": "knot-resolver", "version": "5.1.1-r0", "qualifiers": { "arch": "x86", "distroversion": "v3.23", "reponame": "community" }, "subpath": "", "is_vulnerable": false, "next_non_vulnerable_version": "5.5.3-r0", "latest_non_vulnerable_version": "5.7.1-r0", "affected_by_vulnerabilities": [], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/94347?format=api", "vulnerability_id": "VCID-2wu3-v2hz-q3bv", "summary": "Knot Resolver before 5.1.1 allows traffic amplification via a crafted DNS answer from an attacker-controlled server, aka an \"NXNSAttack\" issue. This is triggered by random subdomains in the NSDNAME in NS records.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2020-12667", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.01022", "scoring_system": "epss", "scoring_elements": "0.77187", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.01022", "scoring_system": "epss", "scoring_elements": "0.77193", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.01022", "scoring_system": "epss", "scoring_elements": "0.77222", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.01022", "scoring_system": "epss", "scoring_elements": "0.77204", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.01022", "scoring_system": "epss", "scoring_elements": "0.77236", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.01022", "scoring_system": "epss", "scoring_elements": "0.77244", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.01022", "scoring_system": "epss", "scoring_elements": "0.77271", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.01022", "scoring_system": "epss", "scoring_elements": "0.7725", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.01022", "scoring_system": "epss", "scoring_elements": "0.77247", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.01022", "scoring_system": "epss", "scoring_elements": "0.77287", "published_at": "2026-04-18T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-12667" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12667", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12667" }, { "reference_url": "http://cyber-security-group.cs.tau.ac.il/#", "reference_id": "#", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-04-26T17:02:23Z/" } ], "url": "http://cyber-security-group.cs.tau.ac.il/#" }, { "reference_url": "http://www.openwall.com/lists/oss-security/2020/05/19/2", "reference_id": "2", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-04-26T17:02:23Z/" } ], "url": "http://www.openwall.com/lists/oss-security/2020/05/19/2" }, { "reference_url": "https://www.knot-resolver.cz/2020-05-19-knot-resolver-5.1.1.html", "reference_id": "2020-05-19-knot-resolver-5.1.1.html", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-04-26T17:02:23Z/" } ], "url": "https://www.knot-resolver.cz/2020-05-19-knot-resolver-5.1.1.html" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/76Y4FITMOH6RVPWAANGV7NB2ZHPJJGDQ/", "reference_id": "76Y4FITMOH6RVPWAANGV7NB2ZHPJJGDQ", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-04-26T17:02:23Z/" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/76Y4FITMOH6RVPWAANGV7NB2ZHPJJGDQ/" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=961076", "reference_id": "961076", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=961076" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html", "reference_id": "msg00017.html", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-04-26T17:02:23Z/" } ], "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html" }, { "reference_url": "https://en.blog.nic.cz/2020/05/19/nxnsattack-upgrade-resolvers-to-stop-new-kind-of-random-subdomain-attack/", "reference_id": "nxnsattack-upgrade-resolvers-to-stop-new-kind-of-random-subdomain-attack", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-04-26T17:02:23Z/" } ], "url": "https://en.blog.nic.cz/2020/05/19/nxnsattack-upgrade-resolvers-to-stop-new-kind-of-random-subdomain-attack/" }, { "reference_url": "https://usn.ubuntu.com/7047-1/", "reference_id": "USN-7047-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/7047-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/498781?format=api", "purl": "pkg:apk/alpine/knot-resolver@5.1.1-r0?arch=x86&distroversion=v3.23&reponame=community", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/knot-resolver@5.1.1-r0%3Farch=x86&distroversion=v3.23&reponame=community" } ], "aliases": [ "CVE-2020-12667" ], "risk_score": 3.4, "exploitability": "0.5", "weighted_severity": "6.8", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-2wu3-v2hz-q3bv" } ], "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/knot-resolver@5.1.1-r0%3Farch=x86&distroversion=v3.23&reponame=community" }