{"id":"CVE-2021-43613","aliases":["EUVD-2021-34868","GHSA-3xmc-3p6h-5px7"],"status":"published","title":"SysPasswordDxe: Password hashes are exposed in runtime UEFI variables, leading to escalation of privilege","description":"An issue was discovered in SysPasswordDxe in Insyde InsydeH2O. User and administrator password hashes are exposed in runtime UEFI variables, leading to escalation of privilege","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00131,"percentile":0.02742,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-732"],"published":"2026-09-03T02:05:35Z","modified":"2026-09-03T18:09:03Z","products":[{"vendor":"insyde software","product":"insydeh2o"}],"references":[{"url":"https://www.insyde.com/security-pledge/sa-2022027/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43613"},{"url":"https://www.insyde.com/security-pledge/sa-2022027"},{"url":"https://github.com/advisories/GHSA-3xmc-3p6h-5px7"}],"sources":{"cve":[{"id":"CVE-2021-43613","title":"SysPasswordDxe: Password hashes are exposed in runtime UEFI variables, leading to escalation of privilege","description":"An issue was discovered in SysPasswordDxe in Insyde InsydeH2O. User and administrator password hashes are exposed in runtime UEFI variables, leading to escalation of privilege","status":"published","published":"2026-09-03T02:05:35.544Z","modified":"2026-09-03T13:03:26.609Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:32:56.689433Z"}],"euvd":[{"id":"EUVD-2021-34868","description":"An issue was discovered in SysPasswordDxe in Insyde InsydeH2O. User and administrator password hashes are exposed in runtime UEFI variables, leading to escalation of privilege","status":"published","published":"2026-09-03T02:05:35Z","modified":"2026-09-03T13:03:26Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:14.198061Z"}],"ghsa":[{"id":"GHSA-3xmc-3p6h-5px7","title":"An issue was discovered in SysPasswordDxe in Insyde InsydeH2O. User and administrator password...","description":"An issue was discovered in SysPasswordDxe in Insyde InsydeH2O. User and administrator password hashes are exposed in runtime UEFI variables, leading to escalation of privilege","status":"published","published":"2026-09-03T15:32:08Z","modified":"2026-09-03T15:32:09Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T15:11:18.49317Z"}],"nvd":[{"id":"CVE-2021-43613","description":"An issue was discovered in SysPasswordDxe in Insyde InsydeH2O. User and administrator password hashes are exposed in runtime UEFI variables, leading to escalation of privilege","status":"published","published":"2026-09-03T13:04:12.157Z","modified":"2026-09-03T18:09:03.317Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}