CVE-2021-46775

MEDIUM

AMD EPYC Firmware - Arbitrary Memory Write via ABL Input Validation

Title source: llm
STIX 2.1

Description

Improper input validation in ABL may enable an attacker with physical access, to perform arbitrary memory overwrites, potentially leading to a loss of integrity and code execution.

References (1)

Core 1
Core References

Scores

CVSS v3 6.8
EPSS 0.0009
EPSS Percentile 25.2%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20
Status published
Products (48)
amd/epyc_7232p_firmware romepi_1.0.0.e
amd/epyc_7252_firmware romepi_1.0.0.e
amd/epyc_7262_firmware romepi_1.0.0.e
amd/epyc_7272_firmware romepi_1.0.0.e
amd/epyc_7282_firmware romepi_1.0.0.e
amd/epyc_72f3_firmware milanpi_1.0.0.9
amd/epyc_7302_firmware romepi_1.0.0.e
amd/epyc_7302p_firmware romepi_1.0.0.e
amd/epyc_7313_firmware milanpi_1.0.0.9
amd/epyc_7313p_firmware milanpi_1.0.0.9
... and 38 more
Published May 09, 2023
Tracked Since Feb 18, 2026