The NCCIC/ICS-CERT has released an advisory on vulnerabilities in Rockwell Automation MicroLogix. MicroLogix 1400 versions FRN 21.003 and prior and MicroLogix 1100 versions FRN 16.00 and prior are affected. Successful exploitation of these vulnerabilities could cause denial of service, disclosure of sensitive information, communication loss, and modification of settings or ladder logic. Rockwell Automation has recommended a series of mitigation strategies for these vulnerabilities. The NCCIC/ICS-CERT also recommends a series of defensive measures to minimize the risk of exploitation of these vulnerabilities. NCCIC/ICS-CERT.