CVE-2021-46769

HIGH

AMD EPYC Firmware - Authenticated Arbitrary DMA Execution via ASP Bootloader

Title source: llm
STIX 2.1

Description

Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to execute arbitrary DMA copies, which can lead to code execution.

References (1)

Core 1
Core References

Scores

CVSS v3 8.8
EPSS 0.0026
EPSS Percentile 49.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/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