Siemens SIMATIC S7-1200 SSL Private Key Reuse Spoofing Vulnerability

Summary
Siemens SIMATIC S7-1200 is prone to a security vulnerability that may allow attackers to spoof SSL certificates. Attackers can exploit this issue to display incorrect SSL certificates. Successful exploits will cause victims to accept the certificates assuming they are from a legitimate site. Siemens SIMATIC S7-1200 versions 2.x are vulnerable other versions may also be affected.
Solution
Updates are available. Please see the references for more information.
References