CVE-2023-20527

MEDIUM

AMD EPYC 7002 Series Firmware - Denial of Service via ASP Bootloader Syscall Input Validation

Title source: llm

Description

Improper syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory out-of-bounds, potentially leading to a denial-of-service.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032

Scores

CVSS v3 6.5

EPSS 0.0030

EPSS Percentile 53.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/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 (50)

amd/epyc_7001_firmware < naplespi_1.0.0.g

amd/epyc_7002_firmware < romepi_1.0.0.c

amd/epyc_7003_firmware < milanpi_1.0.0.5

amd/epyc_7232p_firmware < romepi_1.0.0.c

amd/epyc_7251_firmware < naplespi_1.0.0.g

amd/epyc_7252_firmware < romepi_1.0.0.c

amd/epyc_7261_firmware < naplespi_1.0.0.g

amd/epyc_7262_firmware < romepi_1.0.0.c

amd/epyc_7272_firmware < romepi_1.0.0.c

amd/epyc_7281_firmware < naplespi_1.0.0.g

... and 40 more

Published Jan 11, 2023

Tracked Since Feb 18, 2026