CVE-2023-20524

HIGH

AMD EPYC Firmware - Out-of-bounds Write via Malformed ASP Commands

Title source: llm
STIX 2.1

Description

An attacker with a compromised ASP could possibly send malformed commands to an ASP on another CPU, resulting in an out of bounds write, potentially leading to a loss a loss of integrity.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0038
EPSS Percentile 59.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (48)
amd/epyc_7232p_firmware romepi_1.0.0.c
amd/epyc_7252_firmware romepi_1.0.0.c
amd/epyc_7262_firmware romepi_1.0.0.c
amd/epyc_7272_firmware romepi_1.0.0.c
amd/epyc_7282_firmware romepi_1.0.0.c
amd/epyc_72f3_firmware milanpi_1.0.0.5
amd/epyc_7302_firmware romepi_1.0.0.c
amd/epyc_7302p_firmware romepi_1.0.0.c
amd/epyc_7313_firmware milanpi_1.0.0.5
amd/epyc_7313p_firmware milanpi_1.0.0.5
... and 38 more
Published May 09, 2023
Tracked Since Feb 18, 2026