CVE-2023-20576

Published: Sep 2, 2026Modified: Sep 4, 2026

7.7

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Exploitability: 2.5 / Impact: 5.2

Source: psirt@amd.com (Secondary)

Description

Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM data potentially resulting in denial of service or privilege escalation.

Related CWEs

CWE-345

Insufficient Verification of Data Authenticity

The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

References (1)

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7009.html

Source: psirt@amd.com

Timeline

No history available yet.