SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-46779

Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential loss of integrity and availability.

HIGH 7.1EPSS 0.18%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential loss of integrity and availability.

CVSS 3.1
7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS
0.18% probability · 7th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
amd/romepi firmware · amd/milanpi firmware · amd/naplespi firmware
Source
psirt@amd.com

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