The vulnerability of the Modbus TCP interface of the microprogramming software used in multifunctional measuring instruments for measuring electrical network parameters from Siemens SENTRON 7KM PAC3200 allows a perpetrator to circumvent existing security restrictions and gain unauthorized access to protected information.

The vulnerability of the Modbus TCP interface of Siemens SENTRON 7KM PAC3200 multifunctional measuring instruments for measuring electrical network parameters lies in improper authentication mechanisms. This includes insufficient security measures, such as a weak 4-digit PIN code, and the absence...