MODBUS Server Diagnostic Mode (SCADA) (deprecated)
Medium Nessus Network Monitor Plugin ID 3849
SynopsisThe remote host may give an attacker information useful for future attacks.
DescriptionThe remote server is running the MODBUS protocol. This protocol is common on SCADA or process control networks. In addition, the PLC is running with 'Diagnostics' enabled. This is very dangerous, as it can give attackers information that can be used to exploit the machine.
SolutionOnly allow diagnostic sessions from trusted clients.