#VU97954 Incomplete cleanup in 4th Gen AMD EPYC Processors - CVE-2023-20518

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Main Vulnerability Database Vulnerabilities #VU97954

#VU97954 Incomplete cleanup in 4th Gen AMD EPYC Processors - CVE-2023-20518

Published: October 2, 2024


Vulnerability identifier: #VU97954
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-20518
CWE-ID: CWE-459
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
4th Gen AMD EPYC Processors
Software vendor:
AMD

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to incomplete cleanup in the ASP. A local privileged user with access to the BIOS menu or UEFI shell can obtain the Master Encryption Key (MEK).



Remediation

Install updates from vendor's website.

External links