{"id":"CVE-2023-21722","aliases":["EUVD-2023-25889","GHSA-xp67-pj6p-rpvg"],"status":"published","title":".NET Framework Denial of Service Vulnerability","description":".NET Framework Denial of Service Vulnerability","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00917,"percentile":0.60682,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2023-02-14T19:33:47Z","modified":"2026-08-19T17:18:14Z","products":[{"vendor":"microsoft","product":".net_framework"},{"vendor":"microsoft","product":"microsoft .net framework 2.0 service pack 2"},{"vendor":"microsoft","product":"microsoft .net framework 3.0 service pack 2"},{"vendor":"microsoft","product":"microsoft .net framework 3.5"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.6.2"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.7.2"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.8"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.8.1"},{"vendor":"microsoft","product":"microsoft .net framework 3.5.1"},{"vendor":"microsoft","product":"microsoft .net framework 4.6.2"},{"vendor":"microsoft","product":"microsoft .net framework 4.6.2/4.7/4.7.1/4.7.2"},{"vendor":"microsoft","product":"microsoft .net framework 4.8"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21722","tags":["vendor-advisory","patch","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21722"},{"url":"https://github.com/advisories/GHSA-xp67-pj6p-rpvg"}],"sources":{"cve":[{"id":"CVE-2023-21722","title":".NET Framework Denial of Service Vulnerability","description":".NET Framework Denial of Service Vulnerability","status":"published","published":"2023-02-14T19:33:47.59Z","modified":"2026-08-19T16:27:14.494Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:35:20.368244Z"}],"euvd":[{"id":"EUVD-2023-25889","description":".NET Framework Denial of Service Vulnerability","status":"published","published":"2023-02-14T19:33:47Z","modified":"2026-08-19T16:27:14Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:01:43.218519Z"}],"ghsa":[{"id":"GHSA-xp67-pj6p-rpvg","title":".NET Framework Denial of Service Vulnerability","description":".NET Framework Denial of Service Vulnerability","status":"published","published":"2023-02-14T21:30:29Z","modified":"2023-02-14T21:30:37Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:54:08.107278Z"}],"nvd":[{"id":"CVE-2023-21722","description":".NET Framework Denial of Service Vulnerability","status":"published","published":"2023-02-14T20:15:14.773Z","modified":"2026-08-19T17:18:14.363Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:07:46.811196Z"}]}}