CVE-2023-27471

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

No affected versions have been published.

Timeline

Published
Aug 18, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-27471: Medium severity, CVSS 5.5 | Vulnix