CVE-2016-2201
Siemens SIMATIC S7-1500 CPU devices before 1.8.3 allow remote attackers to bypass a replay protection mechanism via packets on TCP port 102.
Date published : 2016-02-08
http://www.securityfocus.com/bid/83110
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-253230.pdf