{"id":"CVE-2021-31957","revision":"e86d44bfa08c4d5a8b563250819711fc","records":[{"revision":"e86d44bfa08c4d5a8b563250819711fc","observedAt":"2026-10-24T18:17:28.628+00:00","statement":{"source":"nvd","id":"CVE-2021-31957","aliases":[],"title":"ASP.NET Core Denial of Service Vulnerability","description":"ASP.NET Core Denial of Service Vulnerability","state":0,"publishedAt":"2021-06-08T23:15:08.87+00:00","modifiedAt":"2026-10-07T17:16:42.677+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · secure@microsoft.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9,"severity":"MEDIUM"},{"system":"CVSS 3.1 · nvd@nist.gov · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"},{"system":"CVSS 2.0 · nvd@nist.gov · Primary","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","score":5,"severity":"MEDIUM"}],"references":["https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4PRVVLXXQEF4SEJOBV3VRJHGX7YHY2CG/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVCDYIP4A6DDRT7G6P3ZW6PKNK2DNWJ2/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMHWHRRYDHKM6BIINW5V7OCSW4SDWB4W/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMAO4NG2OQ4PCXUQWMNSCMYWLIJJY6UY/","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31957"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-31957","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Modified","weaknesses":["NVD-CWE-noinfo","CWE-400"],"productCriteria":["cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2019:8.10:*:*:*:*:macos:*:*","cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"],"sourceDates":{"published":"2021-06-08T23:15:08.870","lastModified":"2026-10-07T17:16:42.677"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2021-31957","identifiers":["CVE-2021-31957"]},"retained":false,"historicalAffected":[]}],"coverage":[]}