VULNERABILITY INTELLIGENCE

CVE-2023-20518

CVSS score1.9 LOW
EPSS probability0.10%
CISA KEVNot currently listed
Published2024-08-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

Description

Incomplete cleanup in the ASP may expose the Master Encryption Key (MEK) to a privileged attacker with access to the BIOS menu or UEFI shell and a memory exfiltration vulnerability, potentially resulting in loss of confidentiality.

Weakness classification

  • CWE-459: Incomplete Cleanup

Primary references