CVE-2023-27373

Published: Aug 7, 2023Modified: Mar 7, 2025

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. Due to insufficient input validation, an attacker can tamper with a runtime-accessible EFI variable to cause a dynamic BAR setting to overlap SMRAM.

Affected (6)

Products: Insyde: Insydeh2o

Insyde

1 product

Insydeh2o

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Insyde Insydeh2o	Version 5.0
Insyde Insydeh2o	Version 5.1
Insyde Insydeh2o	Version 5.2
Insyde Insydeh2o	Version 5.3
Insyde Insydeh2o	Version 5.4
Insyde Insydeh2o	Version 5.5

Related CWEs

CWE-20

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (2)

https://www.insyde.com/security-pledge/SA-2023035

Source: cve@mitre.org

Vendor Advisory

https://www.insyde.com/security-pledge/SA-2023035

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.