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

This script is Copyright (C) 2006-2012 Tenable Network Security, Inc.


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.

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)

Family: SCADA

Nessus Plugin ID: 23826 ()

Bugtraq ID:

CVE ID: