Vulnerability · Published May 13, 2021 · Assigned by AMD

CVE-2020-12967AMD Secure Encrypted Virtualization

High 7.2

In plain English

A high-severity security flaw in SEV/SEV-ES from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS NVD)7.2High
Exploit odds (30 days)1.7%top 22.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
AMD SEV/SEV-ES unspecified – before SEV-SNP

References