Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/178400?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/178400?format=api", "purl": "pkg:nuget/System.Net.Http.WinHttpHandler@4.7.1", "type": "nuget", "namespace": "", "name": "System.Net.Http.WinHttpHandler", "version": "4.7.1", "qualifiers": {}, "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/7941?format=api", "vulnerability_id": "VCID-axvm-3dh9-3kf6", "summary": "Improper Input Validation\nA denial of service vulnerability exists when the ASP.NET Core fails to properly validate web requests. NOTE: Microsoft has not commented on third-party claims that the issue is that the TextEncoder.EncodeCore function in the System.Text.Encodings.Web package in ASP.NET Core Mvc allows remote attackers to cause a denial of service by leveraging failure to properly calculate the length of 4-byte characters in the Unicode Non-Character range.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2017-0247", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.9353", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93457", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.9346", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93466", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93467", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93486", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93491", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93497", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93501", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93498", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93506", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93519", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93431", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.9344", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93448", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.11122", "scoring_system": "epss", "scoring_elements": "0.93449", "published_at": "2026-04-07T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2017-0247" }, { "reference_url": "https://github.com/aspnet/Announcements/issues/239", "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:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/aspnet/Announcements/issues/239" }, { "reference_url": "https://technet.microsoft.com/en-us/library/security/4021279.aspx", "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:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://technet.microsoft.com/en-us/library/security/4021279.aspx" }, { "reference_url": "https://www.sidertia.com/Home/Community/Blog/2017/05/18/ASPNET-Core-Unicode-Non-Char-Encoding-DoS", "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:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.sidertia.com/Home/Community/Blog/2017/05/18/ASPNET-Core-Unicode-Non-Char-Encoding-DoS" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2017-0247", "reference_id": "CVE-2017-0247", "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:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-0247" }, { "reference_url": "https://github.com/advisories/GHSA-6xh7-4v2w-36q6", "reference_id": "GHSA-6xh7-4v2w-36q6", "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:H/A:N" }, { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-6xh7-4v2w-36q6" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/31499?format=api", "purl": "pkg:nuget/System.Net.Http.WinHttpHandler@4.0.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/System.Net.Http.WinHttpHandler@4.0.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/31568?format=api", "purl": "pkg:nuget/System.Net.Http.WinHttpHandler@4.5.4", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/System.Net.Http.WinHttpHandler@4.5.4" }, { "url": "http://public2.vulnerablecode.io/api/packages/178400?format=api", "purl": "pkg:nuget/System.Net.Http.WinHttpHandler@4.7.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/System.Net.Http.WinHttpHandler@4.7.1" } ], "aliases": [ "CVE-2017-0247", "GHSA-6xh7-4v2w-36q6" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-axvm-3dh9-3kf6" } ], "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/System.Net.Http.WinHttpHandler@4.7.1" }