CVE-2023-20530

HIGH

AMD EPYC 7003 Series Firmware < milanpi_1.0.0.5 - Denial of Service via BIOS Mailbox Message Handling

Title source: llm
STIX 2.1

Description

Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0039
EPSS Percentile 60.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (24)
amd/epyc_7003_firmware < milanpi_1.0.0.5
amd/epyc_72f3_firmware < milanpi_1.0.0.5
amd/epyc_7313_firmware < milanpi_1.0.0.5
amd/epyc_7313p_firmware < milanpi_1.0.0.5
amd/epyc_7343_firmware < milanpi_1.0.0.5
amd/epyc_7373x_firmware < milanpi_1.0.0.5
amd/epyc_73f3_firmware < milanpi_1.0.0.5
amd/epyc_7413_firmware < milanpi_1.0.0.5
amd/epyc_7443_firmware < milanpi_1.0.0.5
amd/epyc_7443p_firmware < milanpi_1.0.0.5
... and 14 more
Published Jan 11, 2023
Tracked Since Feb 18, 2026