What is CVE-2021-43613?

CVE-2021-43613 is a medium-severity vulnerability, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.5/10. Published 2026-09-03.

How severe is CVE-2021-43613?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CVE-2021-43613

CVE-2021-43613

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

EPSS: 0.001 (1.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N.

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

8338d8cb-57f7-4252-abc0-96fd13e98d21

Frequently asked questions

What is CVE-2021-43613?: CVE-2021-43613 is a medium-severity vulnerability, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.5/10. Published 2026-09-03.
How severe is CVE-2021-43613?: Medium severity. CVSS v3 base score is 6.5 out of 10.