{"id":"CVE-2021-38632","aliases":["EUVD-2021-25071","GHSA-gf2g-7pj6-65xr"],"status":"published","title":"Windows BitLocker Security Feature Bypass Vulnerability","description":"Windows BitLocker Security Feature Bypass Vulnerability","severity":{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00829,"percentile":0.58009,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-09-15T11:23:54Z","modified":"2026-08-10T18:31:07Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 1909"},{"vendor":"microsoft","product":"windows 10 version 2004"},{"vendor":"microsoft","product":"windows 10 version 20h2"},{"vendor":"microsoft","product":"windows 10 version 21h1"},{"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 server 2022"},{"vendor":"microsoft","product":"windows server version 2004"},{"vendor":"microsoft","product":"windows server version 20h2"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38632","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38632","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38632"},{"url":"https://github.com/advisories/GHSA-gf2g-7pj6-65xr"}],"sources":{"cve":[{"id":"CVE-2021-38632","title":"Windows BitLocker Security Feature Bypass Vulnerability","description":"Windows BitLocker Security Feature Bypass Vulnerability","status":"published","published":"2021-09-15T11:23:54Z","modified":"2026-08-10T15:10:48.905Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-25071","description":"Windows BitLocker Security Feature Bypass Vulnerability","status":"published","published":"2021-09-15T11:23:54Z","modified":"2026-08-10T15:10:48Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:02:05.005873Z"}],"ghsa":[{"id":"GHSA-gf2g-7pj6-65xr","title":"BitLocker Security Feature Bypass Vulnerability","description":"BitLocker Security Feature Bypass Vulnerability","status":"published","published":"2022-05-24T19:14:44Z","modified":"2026-08-10T18:31:07Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:10:14.704025Z"}],"nvd":[{"id":"CVE-2021-38632","description":"Windows BitLocker Security Feature Bypass Vulnerability","status":"published","published":"2021-09-15T12:15:14.433Z","modified":"2026-08-10T16:18:07.73Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/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":"2026-11-02T14:06:58.502206Z"}]}}