VulnerabilityModified

CVE-2021-46775

Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of integrity and code execution.

MEDIUM 6.8EPSS 0.32%

Does this matter?

Lower severity and a low EPSS score (0.32%). Track it; it rarely justifies an emergency change on its own.

Description

Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of integrity and code execution.

CVSS 3.1: 6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.32% probability · 25th percentile
CISA KEV: Not listed
Weakness: CWE-20
Affected: amd/epyc 72f3 firmware · amd/epyc 7313 firmware · amd/epyc 7313p firmware · amd/epyc 7343 firmware · amd/epyc 7373x firmware · amd/epyc 73f3 firmware · amd/epyc 7413 firmware · amd/epyc 7443 firmware · amd/epyc 7443p firmware · amd/epyc 7453 firmware · amd/epyc 7473x firmware · amd/epyc 74f3 firmware · amd/epyc 7513 firmware · amd/epyc 7543 firmware · amd/epyc 7543p firmware · amd/epyc 7573x firmware · amd/epyc 75f3 firmware · amd/epyc 7643 firmware · amd/epyc 7663 firmware · amd/epyc 7713 firmware · +28 more
Source: psirt@amd.com

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.