PT-2013-82: Cross-Site Scripting in Siemens SIMATIC S7-1500 CPU PLC

Vulnerable platform

Siemens SIMATIC S7-1500 CPU PLC
Version: 1.1.x and earlier


Severity level

Severity level: Medium
Impact: Cross-Site Scripting
Access Vector: Remote

CVSS v2:
Base Score: 4.3
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVE: CVE-2014-2246

Platform description

Siemens SIMATIC S7-1500 - controllers featuring high efficiency in data processing, integrated technological functions of Motion Control, PID control and the use of high-speed counters..

Vulnerability description

The specialists of the Positive Research center have detected a Cross-Site Scripting vulnerability in Siemens SIMATIC S7-1500 CPU PLC.

The integrated web server (port 80/tcp and port 443/tcp) of the affected device might be vulnerable to Cross-Site Scripting (XSS) attacks.

How to fix

Update your firmware up to the latest version

Advisory status

05.08.2013 - Vendor gets vulnerability details
12.03.2014 - Vendor releases fixed version and details
25.03.2014 - Public disclosure


The vulnerability was detected by Dmitry Serebryannikov, Ilya Karpov, and Alexey Osipov, Positive Research Center (Positive Technologies Company)


Reports on the vulnerabilities previously discovered by Positive Research: