CVE-2023-20576

high

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.

References

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

Details

Source: Mitre, NVD

Published: 2026-09-02

Updated: 2026-09-04

Risk Information

CVSS v2

Base Score: 6.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 7.7

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

Severity: High

EPSS

EPSS: 0.00125