VULNERABILITY INTELLIGENCE

CVE-2021-3897

CVSS score9.8 CRITICAL
EPSS probability1.30%
CISA KEVNot currently listed
Published2022-04-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

An authentication bypass vulnerability was discovered in an internal service of the Lenovo Fan Power Controller2 (FPC2) and Lenovo System Management Module (SMM) firmware during an that could allow an unauthenticated attacker to execute commands on the SMM and FPC2. SMM2 is not affected.

Weakness classification

  • psirt@lenovo.com: CWE-288
  • nvd@nist.gov: NVD-CWE-noinfo

Primary references