CVE-2023-20520

CRITICAL

AMD EPYC Firmware - Stack-Based Buffer Overflow via ASP Bootloader

Title source: llm
STIX 2.1

Description

Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentially leading to arbitrary code execution.

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0059
EPSS Percentile 69.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-787
Status published
Products (50)
amd/epyc_7232p_firmware romepi_1.0.0.d
amd/epyc_7251_firmware naplespi_1.0.0.h
amd/epyc_7252_firmware romepi_1.0.0.d
amd/epyc_7261_firmware naplespi_1.0.0.h
amd/epyc_7262_firmware romepi_1.0.0.d
amd/epyc_7272_firmware romepi_1.0.0.d
amd/epyc_7281_firmware naplespi_1.0.0.h
amd/epyc_7282_firmware romepi_1.0.0.d
amd/epyc_72f3_firmware milanpi_1.0.0.5
amd/epyc_7301_firmware naplespi_1.0.0.h
... and 40 more
Published May 09, 2023
Tracked Since Feb 18, 2026