CVE-2021-43613

SysPasswordDxe: Password hashes are exposed in runtime UEFI variables, leading to escalation of privilege

State: Published
Severity: 6.5 Medium
Published: Sep 3, 2026
Updated: Sep 3, 2026
Reserved: Nov 12, 2021

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

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N	Insyde

Weaknesses

CWE-732 Incorrect Permission Assignment for Critical Resource

Affected Products

Product	Versions
InsydeH2OInsyde Software	See in the SolutionAffected

References

https://www.insyde.com/security-pledge/sa-2022027/

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