CVE-2023-27471

EUVD-2023-31247
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 17%
Affected Products (NVD)
VendorProductVersion
insydeinsydeh2o
5.0
insydeinsydeh2o
5.1
insydeinsydeh2o
5.2
insydeinsydeh2o
5.3
insydeinsydeh2o
5.4
insydeinsydeh2o
5.5
𝑥
= Vulnerable software versions
References
https://www.insyde.com/security-pledge/SA-2023036
https://www.insyde.com/security-pledge/SA-2023036