SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-20575

A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of sensitive…

MEDIUM 6.5EPSS 0.80%

Does this matter?

Lower severity and a low EPSS score (0.80%). Track it; it rarely justifies an emergency change on its own.

Description

A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of sensitive information.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
0.80% probability · 55th percentile
CISA KEV
Not listed
Weakness
CWE-203
Affected
amd/epyc 7251 firmware · amd/epyc 7281 firmware · amd/epyc 7301 firmware · amd/epyc 7351 firmware · amd/epyc 7351p firmware · amd/epyc 7401 firmware · amd/epyc 7401p firmware · amd/epyc 7451 firmware · amd/epyc 7501 firmware · amd/epyc 7551 firmware · amd/epyc 7551p firmware · amd/epyc 7601 firmware · amd/epyc embedded 3101 firmware · amd/epyc embedded 3151 firmware · amd/epyc embedded 3201 firmware · amd/epyc embedded 3251 firmware · amd/epyc embedded 3255 firmware · amd/epyc embedded 3451 firmware · amd/epyc 7232p firmware · amd/epyc 7252 firmware · +40 more
Source
psirt@amd.com

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