{"url":"http://public2.vulnerablecode.io/api/packages/24154?format=json","purl":"pkg:nuget/Microsoft.AspNet.Mvc@1.1.0","type":"nuget","namespace":"","name":"Microsoft.AspNet.Mvc","version":"1.1.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"3.0.20105.1","latest_non_vulnerable_version":"5.2.2-rc","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/7941?format=json","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":"0.93506","published_at":"2026-05-05T12:55:00Z"},{"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"},{"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":"0.93431","published_at":"2026-04-01T12:55:00Z"},{"value":"0.11122","scoring_system":"epss","scoring_elements":"0.9344","published_at":"2026-04-02T12:55:00Z"}],"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/24155?format=json","purl":"pkg:nuget/Microsoft.AspNet.Mvc@1.1.3","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:nuget/Microsoft.AspNet.Mvc@1.1.3"}],"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"}],"fixing_vulnerabilities":[],"risk_score":"4.0","resource_url":"http://public2.vulnerablecode.io/packages/pkg:nuget/Microsoft.AspNet.Mvc@1.1.0"}