CVE-2023-20576

State: Published
Severity: 7.7 High
Published: Sep 2, 2026
Updated: Sep 4, 2026
Reserved: Oct 27, 2022

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.

Scores

CVSS	Score	Vector	Source
3.1	7.7 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H	AMD

Weaknesses

CWE-345 Insufficient Verification of Data Authenticity

Affected Products

Product	Versions
AMD Ryzen™ 3000 Series Desktop ProcessorsAMD	ComboAM4v2 1.2.0.BNot affected
AMD Ryzen™ 5000 Series Desktop ProcessorsAMD	ComboAM4v2v 1.2.0.BNot affected
AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ GraphicsAMD	ComboAM4v2 1.2.0.BNot affected
AMD Ryzen™ 7000 Series ProcessorsAMD	ComboAM5 1.0.0.7bNot affected
AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ GraphicsAMD	ComboAM4v2 1.2.0.BNot affected
AMD Ryzen™ Threadripper™ PRO 5000WX ProcessorsAMD	ChagallWSPI-sWRX8 1.0.0.7Not affected
AMD Ryzen™ 7020 Series Processors with Radeon™ GraphicsAMD	MendocinoPI-FT6 1.0.0.6Not affected
AMD Ryzen™ 6000 Series Processors with Radeon™ GraphicsAMD	RembrandtPI-FP7 1.0.0.9bNot affected
AMD Ryzen™ 7035 Series Processors with Radeon™ GraphicsAMD	RembrandtPI-FP7 1.0.0.9bNot affected
AMD Ryzen™ 7040 Series Processors with Radeon™ GraphicsAMD	PhoenixPI-FP8-FP7 1.0.0.2Not affected
AMD Ryzen™ 7045 Series Mobile ProcessorsAMD	DragonRangeFL1PI 1.0.0.3aNot affected
AMD Ryzen™ Embedded 5000AMD	EmbAM4PI 1.0.0.4Not affected
AMD Ryzen™ Embedded V3000AMD	EmbeddedPI-FP7r2 1.0.0.8Not affected

References

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

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