CVE-2023-27471

2023-08-1800:00:00

mitre

www.cve.org

cve-2023-27471

insydeh2o

uefi

kernel 5.0-5.5

denial of service

platform vulnerability

5.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.0%

JSON

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. UEFI implementations do not correctly protect and validate information contained in the ‘MeSetup’ UEFI variable. On some systems, this variable can be overwritten using operating system APIs. Exploitation of this vulnerability could potentially lead to denial of service for the platform.

References

www.insyde.com/security-pledge/SA-2023036