CVE-2023-20576

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.

Score

CVSS 3.1 7.7 High

Status

Awaiting Analysis - psirt@amd.com

Published

2026-09-02

Last modified

2026-09-04

Weaknesses

CWE-345

Affected products

• Amd Ryzen 3000 Series Desktop Processors (Amd)
• Amd Ryzen 4000 Series Desktop Processors With Radeon Graphics (Amd)
• Amd Ryzen 5000 Series Desktop Processors (Amd)
• Amd Ryzen 5000 Series Desktop Processors With Radeon Graphics (Amd)
• Amd Ryzen 6000 Series Processors With Radeon Graphics (Amd)
• Amd Ryzen 7000 Series Processors (Amd)
• Amd Ryzen 7020 Series Processors With Radeon Graphics (Amd)
• Amd Ryzen 7035 Series Processors With Radeon Graphics (Amd)
• Amd Ryzen 7040 Series Processors With Radeon Graphics (Amd)
• Amd Ryzen 7045 Series Mobile Processors (Amd)
• Amd Ryzen Embedded 5000 (Amd)
• Amd Ryzen Embedded V3000 (Amd)
• Amd Ryzen Threadripper Pro 5000wx Processors (Amd)

References

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