CVE-2023-20518
low-risk
Published 2024-08-13
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.
Do I need to act?
-
0.05% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
1
CVSS 1.9/10
Low
LOCAL
/ HIGH complexity
10
/ 100
low-risk
Severity
5/34 · Minimal
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal