CVE-2021-43613 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Insyde Software	Insydeh2o

No data.

No data.

References

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

History

Thu, 03 Sep 2026 16:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Insyde Software Insyde Software insydeh2o
Vendors & Products		Insyde Software Insyde Software insydeh2o

Thu, 03 Sep 2026 13:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 03 Sep 2026 02:15:00 +0000

Type	Values Removed	Values Added
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
Title		SysPasswordDxe: Password hashes are exposed in runtime UEFI variables, leading to escalation of privilege
Weaknesses		CWE-732
References		https://www.insyde.com/security-pledge/sa-2022027/
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N'}`

MITRE

Status: PUBLISHED

Assigner: Insyde

Published: 2026-09-03T02:05:35.544Z

Updated: 2026-09-03T13:03:26.609Z

Reserved: 2021-11-12T22:48:20.355Z

Link: CVE-2021-43613

Vulnrichment

Updated: 2026-09-03T13:02:59.828Z

NVD

Status : Awaiting Analysis

Published: 2026-09-03T13:04:12.157

Modified: 2026-09-03T18:09:03.317

Link: CVE-2021-43613

Redhat

No data.

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