VULNERABILITY INTELLIGENCE
CVE-2021-26321
CVSS score5.5 MEDIUM
EPSS probability0.25%
CISA KEVNot currently listed
Published2021-11-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.
Weakness classification
- psirt@amd.com: CWE-20
- nvd@nist.gov: CWE-77
Primary references
- psirt@amd.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory