CVE-2020-12967 AMD Secure Encrypted Virtualization
A malicious hypervisor administrator can execute arbitrary code within guest VMs due to missing nested page table protection in AMD SEV/SEV-ES.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-12967?
CVE-2020-12967 is a high-severity vulnerability in AMD SEV/SEV-ES, published on 13 May 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The lack of nested page table protection in the AMD SEV/SEV-ES feature could potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor.
Weakness: CWE-77
Which versions are affected by CVE-2020-12967?
It affects 65 products.
Products include Amd Epyc 7232p, Amd Epyc 7251, Amd Epyc 7252, Amd Epyc 7261, Amd Epyc 7262, Amd Epyc 7272 and 59 more.
How do I fix CVE-2020-12967?
No fix has been published for CVE-2020-12967 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-12967 being exploited?
There is no known exploitation of CVE-2020-12967 in the wild and no public exploit code.
Other vulnerabilities in AMD SEV/SEV-ES
Sources
Also known as GHSA-36x8-2j7w-8439.