CVE-2021-26371

high-risk
Published 2023-05-09

A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure.

Do I need to act?

-
0.07% 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
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Vendors

Amd
50
/ 100
high-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 32/34 · Critical