CVE-2023-20576 Security feature bypass in AMD Ryzen™ 3000 Series Desktop Processors
Insufficient data authenticity verification in AMD AGESA firmware allows attackers to modify SPI ROM, leading to privilege escalation or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-20576?
CVE-2023-20576 is a high-severity vulnerability in AMD Ryzen™ 3000 Series Desktop Processors, published on 2 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-345
Which versions are affected by CVE-2023-20576?
How do I fix CVE-2023-20576?
No fix has been published for CVE-2023-20576 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-20576 being exploited?
There is no known exploitation of CVE-2023-20576 in the wild and no public exploit code.
Sources
Also known as GHSA-r5qj-42x4-3599.