{"id":"CVE-2021-36938","aliases":["EUVD-2021-23514","GHSA-2vj9-882j-v7fm"],"status":"published","title":"Windows Cryptographic Primitives Library Information Disclosure Vulnerability","description":"Windows Cryptographic Primitives Library Information Disclosure Vulnerability","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00879,"percentile":0.59382,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-08-12T18:12:24Z","modified":"2026-08-10T18:30:58Z","products":[{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36938","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36938","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36938"},{"url":"https://github.com/advisories/GHSA-2vj9-882j-v7fm"}],"sources":{"cve":[{"id":"CVE-2021-36938","title":"Windows Cryptographic Primitives Library Information Disclosure Vulnerability","description":"Windows Cryptographic Primitives Library Information Disclosure Vulnerability","status":"published","published":"2021-08-12T18:12:24Z","modified":"2026-08-10T15:10:04.712Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-23514","description":"Windows Cryptographic Primitives Library Information Disclosure Vulnerability","status":"published","published":"2021-08-12T18:12:24Z","modified":"2026-08-10T15:10:04Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:02:05.388264Z"}],"ghsa":[{"id":"GHSA-2vj9-882j-v7fm","title":"Windows Cryptographic Primitives Library Information Disclosure Vulnerability","description":"Windows Cryptographic Primitives Library Information Disclosure Vulnerability","status":"published","published":"2022-05-24T19:10:51Z","modified":"2026-08-10T18:30:58Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:10:14.704025Z"}],"nvd":[{"id":"CVE-2021-36938","description":"Windows Cryptographic Primitives Library Information Disclosure Vulnerability","status":"published","published":"2021-08-12T18:15:09.89Z","modified":"2026-08-10T16:18:01.13Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:56.943671Z"}]}}