CVE-2023-20566

MEDIUM

AMD EPYC Processors - Memory Integrity Compromise via Improper Address Validation

Title source: llm
STIX 2.1

Description

Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity.

References (1)

Core 1
Core References

Scores

CVSS v3 5.3
EPSS 0.0006
EPSS Percentile 17.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (50)
amd/epyc_7203_firmware < milanpi_1.0.0.b
amd/epyc_7203p_firmware < milanpi_1.0.0.b
amd/epyc_72f3_firmware < milanpi_1.0.0.b
amd/epyc_7303_firmware < milanpi_1.0.0.b
amd/epyc_7303p_firmware < milanpi_1.0.0.b
amd/epyc_7313_firmware < milanpi_1.0.0.b
amd/epyc_7313p_firmware < milanpi_1.0.0.b
amd/epyc_7343_firmware < milanpi_1.0.0.b
amd/epyc_7373x_firmware < milanpi_1.0.0.b
amd/epyc_73f3_firmware < milanpi_1.0.0.b
... and 40 more
Published Nov 14, 2023
Tracked Since Feb 18, 2026