ICS-CERT has released an advisory on an Emerson ControlWave Micro Process Automation Controller vulnerability. Versions 05.78.00 and prior are affected. Exploitation may possibly cause a halt of Ethernet functionality, requiring a cold start to restore the system as well as communications related to ControlWave Designer access. This can possibly result in a loss of system availability and disruption in communications with other connected devices. Emerson has offered a list of recommendations to address this vulnerability. ICS-CERT also recommends a series of defensive measures to minimize the risk of exploitation of this vulnerability. ICS-CERT.