VULNERABILITY INTELLIGENCE

CVE-2020-12966

CVSS score5.5 MEDIUM

EPSS probability0.31%

CISA KEVNot currently listed

Published2022-02-04

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

AMD EPYC™ Processors contain an information disclosure vulnerability in the Secure Encrypted Virtualization with Encrypted State (SEV-ES) and Secure Encrypted Virtualization with Secure Nested Paging (SEV-SNP). A local authenticated attacker could potentially exploit this vulnerability leading to leaking guest data by the malicious hypervisor.

Weakness classification

nvd@nist.gov: CWE-200

Primary references

psirt@amd.com — Mailing List, Third Party Advisory
psirt@amd.com — Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Vendor Advisory