{"id":"CVE-2024-20666","aliases":["EUVD-2024-18381","GHSA-34wv-gh47-86r8"],"status":"published","title":"BitLocker Security Feature Bypass Vulnerability","description":"BitLocker Security Feature Bypass Vulnerability","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.03104,"percentile":0.87877,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2024-01-09T17:56:44Z","modified":"2026-06-17T07:07:35Z","exploits":[{"source":"pocgithub","id":"invaderslabs/CVE-2024-20666","title":"invaderslabs/CVE-2024-20666","date":"2024-07-01","url":"https://github.com/invaderslabs/CVE-2024-20666"},{"source":"pocgithub","id":"nnotwen/Script-For-CVE-2024-20666","title":"nnotwen/Script-For-CVE-2024-20666","date":"2024-02-15","url":"https://github.com/nnotwen/Script-For-CVE-2024-20666"},{"source":"pocgithub","id":"tazxtazxedu/WinRE-Fix","title":"tazxtazxedu/WinRE-Fix","date":"2025-11-28","url":"https://github.com/tazxtazxedu/WinRE-Fix"}],"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 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 21h2"},{"vendor":"microsoft","product":"windows 11 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 22h3"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"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 2022, 23h2 edition (server core installation)"},{"vendor":"microsoft","product":"windows_10_1507"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_21h2"},{"vendor":"microsoft","product":"windows_11_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"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-2024-20666","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-20666"},{"url":"https://github.com/advisories/GHSA-34wv-gh47-86r8"}],"sources":{"cve":[{"id":"CVE-2024-20666","title":"BitLocker Security Feature Bypass Vulnerability","description":"BitLocker Security Feature Bypass Vulnerability","status":"published","published":"2024-01-09T17:56:44.469Z","modified":"2025-05-03T01:46:43.41Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:33:56.868512Z"}],"euvd":[{"id":"EUVD-2024-18381","description":"BitLocker Security Feature Bypass Vulnerability","status":"published","published":"2024-01-09T17:56:44Z","modified":"2025-05-03T01:46:43Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T20:51:53.049769Z"}],"ghsa":[{"id":"GHSA-34wv-gh47-86r8","title":"BitLocker Security Feature Bypass Vulnerability","description":"BitLocker Security Feature Bypass Vulnerability","status":"published","published":"2024-01-09T18:30:28Z","modified":"2024-06-11T15:31:06Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:57:27.679011Z"}],"nvd":[{"id":"CVE-2024-20666","description":"BitLocker Security Feature Bypass Vulnerability","status":"published","published":"2024-01-09T18:15:50.057Z","modified":"2026-06-17T07:07:35.15Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:09:30.070039Z"}]}}