CVE-2018-16089: Lenovo System Management Module Firmware

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

In System Management Module (SMM) versions prior to 1.06, a field in the header of SMM firmware update images is insufficiently sanitized, allowing post-authentication command injection on the SMM as the root user.

Affected products

• Lenovo System Management Module Firmware: before 1.06 (fixed in 1.06)

Published 2018-11-27. Last modified 2026-06-17.