Modicon PLC Web Password Status Disclosure SNMP Request Password Status Remote Disclosure

medium Nessus Plugin ID 23826

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Synopsis

It is possible to obtain the Web Password Status of a Modicon PLC using an SNMP Get Request.

Description

The Modicon Quantum, Premium and Momentum brands of PLC's have a private SNMP MIB that is available on the Internet. The Web Password Status has been obtained via an SNMP Get Request. The Web Password Status is either enabled or disabled.

A Web Password Status of disabled identifies a vulnerability.

Solution

Change default community strings to a value not easily guessed and filter access to the SNMP port.

Plugin Details

Severity: Medium

ID: 23826

File Name: scada_modicon_snmp_webpassword_status.nbin

Version: 1.134

Type: local

Family: SCADA

Published: 12/11/2006

Updated: 9/3/2024

Supported Sensors: Nessus

Vulnerability Information

Required KB Items: SNMP/community, SCADA/Device/Modicon

Detections

Analytics