{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-43613","assignerOrgId":"8338d8cb-57f7-4252-abc0-96fd13e98d21","state":"PUBLISHED","assignerShortName":"Insyde","dateReserved":"2021-11-12T22:48:20.355Z","datePublished":"2026-09-03T02:05:35.544Z","dateUpdated":"2026-09-03T13:03:26.609Z"},"containers":{"cna":{"providerMetadata":{"orgId":"8338d8cb-57f7-4252-abc0-96fd13e98d21","shortName":"Insyde","dateUpdated":"2026-09-03T02:05:35.544Z"},"title":"SysPasswordDxe: Password hashes are exposed in runtime UEFI variables, leading to escalation of privilege","datePublic":"2026-09-03T01:55:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-732","description":"CWE-732: Incorrect Permission Assignment for Critical Resource","type":"CWE"}]}],"affected":[{"vendor":"Insyde Software","product":"InsydeH2O","platforms":["x86"],"versions":[{"status":"affected","version":"See in the Solution"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"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","supportingMedia":[{"type":"text/html","base64":false,"value":"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"}]}],"references":[{"url":"https://www.insyde.com/security-pledge/sa-2022027/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":6.5,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"}}],"solutions":[{"lang":"en","value":"Kernel\n5.1: Version 05.17.09\n\n\n\n\n\nKernel 5.2:\nVersion 05.27.09\n\n\n\n\n\nKernel 5.3:\nVersion 05.36.09\n\n\n\n\n\nKernel 5.4:\nVersion 05.44.09\n\n\n\n\n\nKernel 5.5:\nVersion 05.52.09","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Kernel\n5.1: Version 05.17.09</p>\n\n<p>Kernel 5.2:\nVersion 05.27.09</p>\n\n<p>Kernel 5.3:\nVersion 05.36.09</p>\n\n<p>Kernel 5.4:\nVersion 05.44.09</p>\n\n<p>Kernel 5.5:\nVersion 05.52.09</p>"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-03T13:02:56.308572Z","id":"CVE-2021-43613","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-03T13:03:26.609Z"}}]}}