CVE-2021-3849

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-288

Affected software

No affected versions have been published.

Timeline

Published: Apr 22, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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