CVE-2021-43613CWE-732

CVE-2021-43613

Medium · published September 3, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
0.4
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00089 · 0.4th percentile
Weakness
CWE-732 · Incorrect Permission Assignment for Critical Resource
Published
2026-09-03T17:04Z
References (1)
https://www.insyde.com/security-pledge/sa-2022027/ · 8338d8cb-57f7-4252-abc0-96fd13e98d21
EPSS history
Timeline
  • 04 SEP 03:21Z
    EPSS moved — → 0%
    epss
  • 03 SEP 02:05Z
    SysPasswordDxe: Password hashes are exposed in runtime UEFI variables, leading to escalation of privilege
    cvelistv5