VulnerabilityModified

CVE-2020-12944

Insufficient validation of BIOS image length by ASP Firmware could lead to arbitrary code execution.

HIGH 7.8EPSS 0.35%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Insufficient validation of BIOS image length by ASP Firmware could lead to arbitrary code execution.

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.35% probability · 28th percentile
CISA KEV: Not listed
Weakness: CWE-20
Affected: amd/epyc 7601 firmware · amd/epyc 7551p firmware · amd/epyc 7551 firmware · amd/epyc 7501 firmware · amd/epyc 7451 firmware · amd/epyc 7401 firmware · amd/epyc 7371 firmware · amd/epyc 7351p firmware · amd/epyc 7351 firmware · amd/epyc 7301 firmware · amd/epyc 7281 firmware · amd/epyc 7261 firmware · amd/epyc 7251 firmware · amd/epyc 7f72 firmware · amd/epyc 7f52 firmware · amd/epyc 7f32 firmware · amd/epyc 7h12 firmware · amd/epyc 7742 firmware · amd/epyc 7702 firmware · amd/epyc 7702p firmware · +37 more
Source: psirt@amd.com

References

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027Vendor Advisory

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