Siemens SIMATIC Logon Authentication Bypass

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

A logon service for SCADA applications running on the remote host is
affected by an authentication bypass vulnerability.

Description :

The Siemens SIMATIC Logon service running on the remote host is
affected by an authentication bypass vulnerability that allows an
unauthenticated, remote attacker to access SIMATIC applications.

See also :

https://ics-cert.us-cert.gov/advisories/ICSA-17-045-03
http://www.nessus.org/u?a0a6495c

Solution :

Upgrade to SIMATIC Logon V1.5 SP3 Update 2 or later.

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)

Family: SCADA

Nessus Plugin ID: 97666 ()

Bugtraq ID: 96208

CVE ID: CVE-2017-2684

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