Siemens SIMATIC PCS 7 and SIMATIC WinCC are both products of Siemens, a German company.SIMATIC PCS 7 is a process control system.SIMATIC WinCC is an automated data acquisition and monitoring (SCADA) system.Siemens SIMATIC PCS 7 and SIMATIC WinCC has a security vulnerability that allows an authenticated attacker to exploit the vulnerability to force a password hash and use it to log into the server.