CVE-2023-27471

MEDIUM EPSS 6.7%
Published Aug 18, 20232y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Aug 18, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
6.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Affected Products 6

VendorProductVersionRange
insydeinsydeh2o5.0any
insydeinsydeh2o5.1any
insydeinsydeh2o5.2any
insydeinsydeh2o5.3any
insydeinsydeh2o5.4any
insydeinsydeh2o5.5any

References 1

  • insyde.com https://www.insyde.com/security-pledge/SA-2023036
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.