Industrial Security Alert - 03/14/2016
Vulnerability in S7-1200v3 CPU
Siemens became aware of a vulnerability with the discontinued products SIMATIC S7-1200 CPUs prior to version 4. Siemens provides SIMATIC S7-1200 CPU product release V4.0 or later which fix the vulnerability. Siemens recommends to keep firmware up-to-date and to set the PLC functionality “Access protection” to read/write protection.
Siemens thanks Maik Brüggemann and Ralf Spenneberg from Open Source Training for their information.