Modicon PLC CPU Type Default Credentials (SCADA)
Medium Nessus Network Monitor Plugin ID 3855
SynopsisThe remote host is configured with default or easily-guessed credentials.
DescriptionThe Modicon Quantum, Premium and Momentum brands of PLCs have a private SNMP MIB that is available on the Internet. The type of Modicon PLC may be obtained via an SNMP Get Request.
SolutionChange default community strings to a value not easily guessed and filter access to the SNMP port.