What’s Vulnerable › Vulnerabilities

CVE-2023-20576

• Severity: high (CVSS 7.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-02 · updated 2026-09-04
• Weakness: CWE-345

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.

Affected products

• AMD Ryzen™ 3000 Series Desktop Processors: all versions
• AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 5000 Series Desktop Processors: all versions
• AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 7000 Series Processors: all versions
• AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 7045 Series Mobile Processors: all versions
• AMD Ryzen™ Embedded 5000: all versions
• AMD Ryzen™ Embedded V3000: all versions
• AMD Ryzen™ Threadripper™ PRO 5000WX Processors: all versions

References

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

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