CVE-2021-26317
high-risk
Published 2022-05-12
Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution.
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
7
CVSS 7.8/10
High
LOCAL
/ LOW complexity
Affected Products (20)
Ryzen 5300G Firmware
Ryzen 5300Ge Firmware
Ryzen 5600G Firmware
Ryzen 5600Ge Firmware
Ryzen 5600X Firmware
Ryzen 5700G Firmware
Ryzen 5700Ge Firmware
Athlon 3050Ge Firmware
Athlon 3150G Firmware
Athlon 3150Ge Firmware
Ryzen 5800X Firmware
Ryzen 5800X3D Firmware
Ryzen 5900X Firmware
Ryzen 5950X Firmware
Affected Vendors
References (2)
52
/ 100
high-risk
Severity
24/34 · High
Exploitability
0/34 · Minimal
Exposure
28/34 · Critical