CVE-2023-4855: Lenovo Fan Power Controller

High severity, CVSS 7.2. EPSS: 1.1% chance of exploitation in the next 30 days.

A command injection vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user with elevated privileges to execute unauthorized commands via IPMI.

Affected products

• Lenovo Fan Power Controller
• Lenovo Smm, SMM2, Fpc
• Lenovo System Management Module Firmware

Published 2024-04-15. Last modified 2026-06-17.