CVE-2021-46760

high-risk
Published 2023-05-09

A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory access that may potentially lead to an attacker leaking sensitive information or achieving code execution.

Do I need to act?

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0.32% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (20)

Ryzen 3945Wx Firmware
Ryzen 3955Wx Firmware
Ryzen 3960X Firmware
Ryzen 3970X Firmware
Ryzen 3975Wx Firmware
Ryzen 3990X Firmware
Ryzen 3995Wx Firmware
Ryzen 3945Wx Firmware
Ryzen 3955Wx Firmware
Ryzen 3960X Firmware
Ryzen 3970X Firmware
Ryzen 3975Wx Firmware
Ryzen 3990X Firmware
Ryzen 3995Wx Firmware
Ryzen 3945Wx Firmware
Ryzen 3955Wx Firmware
Ryzen 3960X Firmware
Ryzen 3970X Firmware
Ryzen 3975Wx Firmware
Ryzen 3990X Firmware

Affected Vendors

Amd

References (2)

Vendor Advisory https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
Vendor Advisory https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
53
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 1/34 · Minimal
Exposure 20/34 · Moderate