VULNERABILITY INTELLIGENCE

CVE-2021-26315

CVSS score7.8 HIGH
EPSS probability0.17%
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:H/I:H/A:H

Description

When the AMD Platform Security Processor (PSP) boot rom loads, authenticates, and subsequently decrypts an encrypted FW, due to insufficient verification of the integrity of decrypted image, arbitrary code may be executed in the PSP when encrypted firmware images are used.

Weakness classification

  • psirt@amd.com: CWE-345
  • nvd@nist.gov: CWE-345

Primary references