{"id":"CVE-2019-1083","aliases":["EUVD-2019-9664","GHSA-xx75-9737-wg24"],"status":"published","title":"A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly...","description":"A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests, aka '.NET Denial of Service Vulnerability'.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07797,"percentile":0.94699,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-19"],"published":"2019-07-15T18:56:21Z","modified":"2026-06-17T02:27:47Z","exploits":[{"source":"pocgithub","id":"stevenseeley/HowCVE-2019-1083Works","title":"stevenseeley/HowCVE-2019-1083Works","date":"2020-05-13","url":"https://github.com/stevenseeley/HowCVE-2019-1083Works"}],"products":[{"vendor":"microsoft","product":".net_framework"},{"vendor":"microsoft","product":"microsoft .net framework 2.0"},{"vendor":"microsoft","product":"microsoft .net framework 3.0"},{"vendor":"microsoft","product":"microsoft .net framework 3.5"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.7.2 on windows 10 version 1809 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.7.2 on windows 10 version 1809 for x64-based systems"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.7.2 on windows server 2019"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.7.2 on windows server 2019  (server core installation)"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.8 on windows 10 version 1809 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.8 on windows 10 version 1809 for x64-based systems"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.8 on windows 10 version 1903 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.8 on windows 10 version 1903 for x64-based systems"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.8 on windows server 2019"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.8 on windows server 2019  (server core installation)"},{"vendor":"microsoft","product":"microsoft .net framework 3.5 and 4.8 on windows server, version 1903 (server core installation)"},{"vendor":"microsoft","product":"microsoft .net framework 3.5.1"},{"vendor":"microsoft","product":"microsoft .net framework 4.5.2"},{"vendor":"microsoft","product":"microsoft .net framework 4.6"},{"vendor":"microsoft","product":"microsoft .net framework 4.6/4.6.1/4.6.2"},{"vendor":"microsoft","product":"microsoft .net framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows 10 version 1607 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows 10 version 1607 for x64-based systems"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows 10 version 1703 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows 10 version 1703 for x64-based systems"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows 10 version 1709 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows 10 version 1709 for x64-based systems"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows 10 version 1803 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows 10 version 1803 for x64-based systems"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows 7 for 32-bit systems service pack 1"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows 7 for x64-based systems service pack 1"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows 8.1 for 32-bit systems"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows 8.1 for x64-based systems"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows rt 8.1"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows server 2008 r2 for x64-based systems service pack 1"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows server 2008 r2 for x64-based systems service pack 1 (server core installation)"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows server 2012"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows server 2012 r2"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows server 2016"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows server 2016  (server core installation)"},{"vendor":"microsoft","product":"microsoft .net framework 4.8 on windows server, version 1803  (server core installation)"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1083","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1083"},{"url":"https://github.com/advisories/GHSA-xx75-9737-wg24"}],"sources":{"cve":[{"id":"CVE-2019-1083","description":"A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests, aka '.NET Denial of Service Vulnerability'.","status":"published","published":"2019-07-15T18:56:21Z","modified":"2024-08-04T18:06:31.516Z","updated_at":"2026-11-02T14:20:25.303966Z"}],"euvd":[{"id":"EUVD-2019-9664","description":"A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests, aka '.NET Denial of Service 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