HomeAmdCVE-2021-26344

CVE-2021-26344

HIGH
7.2CVSS
Published: 2024-08-13
Updated: 2025-03-18
AI Analysis

Description

An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.

CVSS Metrics

Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
Attack Vector
local
Complexity
high
Privileges
high
User Action
required
Scope
changed
Confidentiality
high
Integrity
high
Availability
high
Weaknesses
CWE-787CWE-787

Metadata

Primary Vendor
AMD
Published
8/13/2024
Last Modified
3/18/2025
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

amd : epyc_7203_firmwareamd : epyc_7203p_firmwareamd : epyc_72f3_firmwareamd : epyc_7303_firmwareamd : epyc_7303p_firmwareamd : epyc_7313_firmwareamd : epyc_7313p_firmwareamd : epyc_7343_firmwareamd : epyc_73f3_firmwareamd : epyc_7373x_firmwareamd : epyc_7413_firmwareamd : epyc_7443_firmwareamd : epyc_7443p_firmwareamd : epyc_74f3_firmwareamd : epyc_7453_firmwareamd : epyc_7473x_firmwareamd : epyc_7513_firmwareamd : epyc_7543_firmwareamd : epyc_7543p_firmwareamd : epyc_75f3_firmwareamd : epyc_7573x_firmwareamd : epyc_7643_firmwareamd : epyc_7773x_firmwareamd : epyc_7643p_firmwareamd : epyc_7663_firmwareamd : epyc_7663p_firmwareamd : epyc_7713_firmwareamd : epyc_7713p_firmwareamd : epyc_7763_firmwareamd : epyc_7h12_firmwareamd : epyc_7f72_firmwareamd : epyc_7f52_firmwareamd : epyc_7f32_firmwareamd : epyc_7742_firmwareamd : epyc_7702p_firmwareamd : epyc_7702_firmwareamd : epyc_7662_firmwareamd : epyc_7642_firmwareamd : epyc_7552_firmwareamd : epyc_7542_firmwareamd : epyc_7532_firmwareamd : epyc_7502p_firmwareamd : epyc_7502_firmwareamd : epyc_7452_firmwareamd : epyc_7402p_firmwareamd : epyc_7402_firmwareamd : epyc_7352_firmwareamd : epyc_7302p_firmwareamd : epyc_7302_firmwareamd : epyc_7282_firmwareamd : epyc_7272_firmwareamd : epyc_7262_firmwareamd : epyc_7252_firmwareamd : epyc_7232p_firmwareamd : epyc_7601_firmwareamd : epyc_7551p_firmwareamd : epyc_7551_firmwareamd : epyc_7501_firmwareamd : epyc_7451_firmwareamd : epyc_7401p_firmwareamd : epyc_7401_firmwareamd : epyc_7371_firmwareamd : epyc_7351p_firmwareamd : epyc_7351_firmwareamd : epyc_7301_firmwareamd : epyc_7281_firmwareamd : epyc_7261_firmwareamd : epyc_7251_firmwareamd : epyc_7001_firmware

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CVE-CVE-2021-26344 | HIGH Severity | CVEDatabase.com | CVEDatabase.com