CVE-2021-43613
SysPasswordDxe: Password hashes are exposed in runtime UEFI variables, leading to escalation of privilege
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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
| CWE | CWE-732 |
| Vendor | insyde software |
| Product | insydeh2o |
| Published | Sep 3, 2026 |
| Last Updated | Sep 3, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
Insyde Software / InsydeH2O
See in the Solution