CVE-2020-12961 Security feature bypass in 2nd Gen AMD EPYC™
An attacker can bypass SPI ROM protections by zeroing privileged registers in the AMD Platform Security Processor on EPYC systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-12961?
CVE-2020-12961 is a high-severity vulnerability in Amd Epyc 7232p Firmware, published on 16 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A potential vulnerability exists in AMD Platform Security Processor (PSP) that may allow an attacker to zero any privileged register on the System Management Network which may lead to bypassing SPI ROM protections.
Weakness: CWE-20
Which versions are affected by CVE-2020-12961?
It affects 45 products.
Products include Amd Epyc 7002 Firmware, Amd Epyc 7003 Firmware, Amd Epyc 7232p Firmware, Amd Epyc 7252 Firmware, Amd Epyc 7262 Firmware, Amd Epyc 7272 Firmware and 39 more.
How do I fix CVE-2020-12961?
No fix has been published for CVE-2020-12961 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-12961 being exploited?
There is no known exploitation of CVE-2020-12961 in the wild and no public exploit code.
Other vulnerabilities in Amd Epyc 7232p Firmware
Sources
Also known as GHSA-2p3h-m9wr-j5v9.