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Industrial Security Alert - 11/27/2015

Update for Communication Processor (CP) modules SIMATIC CP 343-1, TIM 3V-IE, TIM 4R-IE, and CP 443-1

Siemens was notified of a vulnerability in Communication Processor (CP) modules SIMATIC CP 343-1, TIM 3V-IE, TIM 4R-IE, and CP 443-1.
Siemens has released a new firmware version for SIMATIC CP 343-1 Advanced modules which fixes the vulnerability, is working on patches for the remaining affected products and recommends specific countermeasures until patches are available.

Siemens thanks Lei ChengLin (Z-0ne) from Fengtai Technologies’ Security Research Team for his information.