PT-2013-81: Cross-Site Request Forgery in Siemens SIMATIC S7-1500 CPU PLC
Siemens SIMATIC S7-1500 CPU PLC
Version: 1.1.x and earlier
Severity level: Medium
Impact: Cross-Site Request Forgery
Access Vector: Remote
Base Score: 5.8
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..
The specialists of the Positive Research center have detected a Cross-Site Request Forgery vulnerability in Siemens SIMATIC S7-1500 CPU PLC.
The web server of the affected PLCs (port 80/tcp and port 443/tcp) might allow CSRF (Cross-Site Request Forgery) attacks, compromising integrity and availability of the affected device.
How to fix
Update your firmware up to the latest version
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, Alexey Osipov, Yury Goltsev, and Alexander Timorin, Positive Research Center (Positive Technologies Company)
Reports on the vulnerabilities previously discovered by Positive Research: