{"id":"CVE-2021-43613","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-43613","generatedAt":"2026-10-27T18:47:20.380Z","title":"User and administrator 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","published":"2026-09-03T13:04:12.000Z","lastModified":"2026-09-03T18:09:03.000Z","status":"Undergoing Analysis","sourceIdentifier":"8338d8cb-57f7-4252-abc0-96fd13e98d21","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"},"cwe":["CWE-732"],"affected":[],"epss":{"score":0.00131,"percentile":0.02666,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.13%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.insyde.com/security-pledge/sa-2022027/","source":"8338d8cb-57f7-4252-abc0-96fd13e98d21"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-43613","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}