AUGUST 4, 2026
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Case File

CVE-2021-3849

CRITICAL · CVSS 9.8 EPSS 1.25%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-04-22 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Exploitation may require the attacker to be authenticated.

CVE
CVE-2021-3849
Severity
CRITICAL
CVSS
9.8
EPSS
1.25%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)