Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/255257?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/255257?format=api", "purl": "pkg:apk/alpine/syncthing@1.15.1-r0?arch=x86_64&distroversion=v3.21&reponame=community", "type": "apk", "namespace": "alpine", "name": "syncthing", "version": "1.15.1-r0", "qualifiers": { "arch": "x86_64", "distroversion": "v3.21", "reponame": "community" }, "subpath": "", "is_vulnerable": false, "next_non_vulnerable_version": null, "latest_non_vulnerable_version": null, "affected_by_vulnerabilities": [], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/5677?format=api", "vulnerability_id": "VCID-cbbg-ud35-xkbw", "summary": "denial of service", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-21404", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00237", "scoring_system": "epss", "scoring_elements": "0.46969", "published_at": "2026-05-30T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-21404" }, { "reference_url": "https://github.com/syncthing/syncthing/commit/fb4fdaf4c0a79c22cad000c42ac1394e3ccb6a97", "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": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/syncthing/syncthing/commit/fb4fdaf4c0a79c22cad000c42ac1394e3ccb6a97" }, { "reference_url": "https://github.com/syncthing/syncthing/releases/tag/v1.15.0", "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": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/syncthing/syncthing/releases/tag/v1.15.0" }, { "reference_url": "https://github.com/syncthing/syncthing/security/advisories/GHSA-x462-89pf-6r5h", "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": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/syncthing/syncthing/security/advisories/GHSA-x462-89pf-6r5h" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21404", "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": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21404" }, { "reference_url": "https://pkg.go.dev/github.com/syncthing/syncthing", "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": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://pkg.go.dev/github.com/syncthing/syncthing" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986593", "reference_id": "986593", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986593" }, { "reference_url": "https://security.archlinux.org/AVG-1778", "reference_id": "AVG-1778", "reference_type": "", "scores": [ { "value": "Medium", "scoring_system": "archlinux", "scoring_elements": "" } ], "url": "https://security.archlinux.org/AVG-1778" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/255257?format=api", "purl": "pkg:apk/alpine/syncthing@1.15.1-r0?arch=x86_64&distroversion=v3.21&reponame=community", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/syncthing@1.15.1-r0%3Farch=x86_64&distroversion=v3.21&reponame=community" } ], "aliases": [ "CVE-2021-21404", "GHSA-x462-89pf-6r5h" ], "risk_score": 3.1, "exploitability": "0.5", "weighted_severity": "6.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-cbbg-ud35-xkbw" } ], "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/syncthing@1.15.1-r0%3Farch=x86_64&distroversion=v3.21&reponame=community" }