A vulnerability has been identified in SIMATIC Ident MV420 family (All versions), SIMATIC Ident MV440 family (All versions). An authenticated attacker could escalate privileges by sending specially crafted requests to the integrated webserver. The security vulnerability can be exploited by an attacker with network access to the device. Valid user credentials, but no user interaction are required. Successful exploitation compromises integrity and availability of the device. 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). An authenticated attacker could escalate privileges by sending specially
crafted requests to the integrated webserver.

The security vulnerability can be exploited by an attacker with network
access to the device. Valid user credentials, but no user interaction are
required. Successful exploitation compromises integrity and availability of
the device.

At the time of advisory publication no public exploitation of this security
vulnerability was known.