CVE-2023-20599 Security feature bypass in AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
Privileged attackers can bypass register access controls to compromise cryptographic keys, risking data integrity and confidentiality on AMD processors.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-20599?
CVE-2023-20599 is a high-severity vulnerability in AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics, published on 10 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper register access control in ASP may allow a privileged attacker to perform unauthorized access to ASP’s Crypto Co-Processor (CCP) registers from x86 resulting in potential loss of control of cryptographic key pointer/index leading to loss of integrity or confidentiality.
Weakness: CWE-1262
Which versions are affected by CVE-2023-20599?
How do I fix CVE-2023-20599?
No fix has been published for CVE-2023-20599 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-20599 being exploited?
There is no known exploitation of CVE-2023-20599 in the wild and no public exploit code.
Sources
Also known as GHSA-7rc6-r844-3mww.