{"id":"CVE-2021-43613","state":"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","publishedAt":"2026-09-03T02:05:35.544Z","updatedAt":"2026-09-03T13:03:26.609Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","source":"Insyde"},"assigner":"Insyde","products":["Insyde Software InsydeH2O"],"affected":[{"vendor":"Insyde Software","product":"InsydeH2O","defaultStatus":"unaffected","versions":[{"version":"See in the Solution","status":"affected"}],"platforms":["x86"]}],"references":["https://www.insyde.com/security-pledge/sa-2022027/"],"weaknesses":["CWE-732"],"ingestedAt":"2026-10-29T19:49:07.642Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/43xxx/CVE-2021-43613.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-43613","state":"PUBLISHED","datePublished":"2026-09-03T02:05:35.544Z","dateUpdated":"2026-09-03T13:03:26.609Z","assignerShortName":"Insyde","assignerOrgId":"8338d8cb-57f7-4252-abc0-96fd13e98d21","dateReserved":"2021-11-12T22:48:20.355Z"},"containers":{"cna":{"title":"SysPasswordDxe: Password hashes are exposed in runtime UEFI variables, leading to escalation of privilege","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"}],"affected":[{"vendor":"Insyde Software","product":"InsydeH2O","defaultStatus":"unaffected","versions":[{"version":"See in the Solution","status":"affected"}],"platforms":["x86"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-732","lang":"en","description":"CWE-732: Incorrect Permission Assignment for Critical Resource","type":"CWE"}]}],"providerMetadata":{"shortName":"Insyde","orgId":"8338d8cb-57f7-4252-abc0-96fd13e98d21","dateUpdated":"2026-09-03T02:05:35.544Z"},"datePublic":"2026-09-03T01:55:00.000Z","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":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-03T13:03:26.609Z"}}]}}}