CVE-2018-5452: Emerson Controlwave Micro Firmware

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

A Stack-based Buffer Overflow issue was discovered in Emerson Process Management ControlWave Micro Process Automation Controller: ControlWave Micro [ProConOS v.4.01.280] firmware: CWM v.05.78.00 and prior. A stack-based buffer overflow vulnerability caused by sending crafted packets on Port 20547 could force the PLC to change its state into halt mode.

Affected products

• Emerson Controlwave Micro Firmware: up to and including 05.78.00

Published 2018-03-07. Last modified 2026-06-17.