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Industrial Security Alert - 06/08/2016 (first publication)

Denial-of-Service vulnerability in SIMATIC S7-300

Siemens has released a firmware update for the SIMATIC S7-300 CPU family which fixes a vulnerability that could allow remote attackers to perform a Denial-of-Service attack under certain conditions.
Siemens thanks Mate J. Csorba from DNV GL, Marine Cybernetics Services and Amund Sole from Norwegian University of Science and Technology for coordinated disclosure of the vulnerability.