Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/1663?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/1663?format=api", "purl": "pkg:nuget/Microsoft.AspNetCore.WebSockets@2.2.0", "type": "nuget", "namespace": "", "name": "Microsoft.AspNetCore.WebSockets", "version": "2.2.0", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "2.2.1", "latest_non_vulnerable_version": "2.2.1", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/5154?format=api", "vulnerability_id": "VCID-1gtv-nubh-73a9", "summary": "Microsoft Security Advisory CVE-2019-0564: ASP.NET Core Denial of Service Vulnerability", "references": [ { "reference_url": "https://access.redhat.com/errata/RHSA-2019:0040", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://access.redhat.com/errata/RHSA-2019:0040" }, { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-0564.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-0564.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2019-0564", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.07639", "scoring_system": "epss", "scoring_elements": "0.91856", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.07639", "scoring_system": "epss", "scoring_elements": "0.9185", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.07639", "scoring_system": "epss", "scoring_elements": "0.91841", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.07668", "scoring_system": "epss", "scoring_elements": "0.91915", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.07668", "scoring_system": "epss", "scoring_elements": "0.91882", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.07668", "scoring_system": "epss", "scoring_elements": "0.91895", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.07668", "scoring_system": "epss", "scoring_elements": "0.919", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.07668", "scoring_system": "epss", "scoring_elements": "0.91904", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.07668", "scoring_system": "epss", "scoring_elements": "0.91919", "published_at": "2026-04-16T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2019-0564" }, { "reference_url": "https://github.com/aspnet/Announcements/issues/334", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/aspnet/Announcements/issues/334" }, { "reference_url": "https://github.com/github/advisory-database/issues/302", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/github/advisory-database/issues/302" }, { "reference_url": "http://www.securityfocus.com/bid/106413", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "http://www.securityfocus.com/bid/106413" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1660634", "reference_id": "1660634", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1660634" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-0564", "reference_id": "CVE-2019-0564", "reference_type": "", "scores": [ { "value": "5.0", "scoring_system": "cvssv2", "scoring_elements": "AV:N/AC:L/Au:N/C:N/I:N/A:P" }, { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-0564" }, { "reference_url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0564", "reference_id": "CVE-2019-0564", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0564" }, { "reference_url": "https://github.com/advisories/GHSA-6px8-22w5-w334", "reference_id": "GHSA-6px8-22w5-w334", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-6px8-22w5-w334" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/1664?format=api", "purl": "pkg:nuget/Microsoft.AspNetCore.WebSockets@2.2.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/Microsoft.AspNetCore.WebSockets@2.2.1" } ], "aliases": [ "CVE-2019-0564", "GHSA-6px8-22w5-w334" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-1gtv-nubh-73a9" } ], "fixing_vulnerabilities": [], "risk_score": "4.0", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/Microsoft.AspNetCore.WebSockets@2.2.0" }