CVE-2023-20576

HighCVSS 7.7/10Last modified Nov 10, 2026

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.

Metrics

CVSS 3.1 7.7/10CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-345

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
AMD	AMD Ryzen™ 3000 Series Desktop Processors	—
AMD	AMD Ryzen™ 5000 Series Desktop Processors	—
AMD	AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics	—
AMD	AMD Ryzen™ 7000 Series Processors	—
AMD	AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics	—
AMD	AMD Ryzen™ Threadripper™ PRO 5000WX Processors	—
AMD	AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics	—
AMD	AMD Ryzen™ 6000 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	—

References

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

Timeline

Published: Sep 2, 2026
Last modified: Nov 10, 2026
NVD status: Awaiting Analysis

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