CVE-2018-3655: Intel Converged Security Management Engine Firmware

High severity, CVSS 7.3. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability in a subsystem in Intel CSME before version 11.21.55, Intel Server Platform Services before version 4.0 and Intel Trusted Execution Engine Firmware before version 3.1.55 may allow an unauthenticated user to potentially modify or disclose information via physical access.

Affected products

• Intel Converged Security Management Engine Firmware: from 11.0, up to and including 11.8.50; from 11.10, up to and including 11.11.50; from 11.20, up to and including 11.21.51
• Intel Server Platform Services Firmware: before 4.0 (fixed in 4.0)
• Intel Trusted Execution Engine Firmware: from 3.0, up to and including 3.1.50

Published 2018-09-12. Last modified 2026-06-17.