A vulnerability has been identified in SIMATIC Ident MV420 family (All versions), SIMATIC Ident MV440 family (All versions). Communication with the device is not encrypted. Data transmitted between the device and the user can be obtained by an attacker in a privileged network position. The security vulnerability can be exploited by an attacker in a privileged network position which allows evesdropping the communication between the affected device and the user. The user must invoke a session. Successful exploitation of the vulnerability compromises confidentiality of the data transmitted. At the time of advisory publication no public exploitation of this security vulnerability was known.

A vulnerability has been identified in SIMATIC MV400 family (All Versions <  V7.0.6). Communication with the device is not encrypted. Data transmitted between the
device and the user can be obtained by an attacker in a privileged network
position.

The security vulnerability can be exploited by an attacker in a privileged
network position which allows eavesdropping the communication between the
affected device and the user. The user must invoke a session. Successful
exploitation of the vulnerability compromises confidentiality of the data
transmitted.