PT-2013-30: Denial of Service in Siemens Simatic WinCC TIA Portal
Siemens Simatic WinCC TIA Portal
Severity level: Medium
Impact: Denial of Service
Access Vector: Remote
Base Score: 4.0
WinCC TIA Portal is part of a new, integrated engineering concept which offers a uniform engineering environment for programming and configuration of control, visualization and drive solutions.
The specialists of the Positive Research center have detected "Denial of Service" vulnerability in Siemens Simatic WinCC TIA Portal.
By manipulating HTTP requests an authenticated attacker may crash the HMI’s web application. The web application will become unavailable until the device is restarted.
How to fix
Update your software up to the latest version
21.09.2012 - Vendor gets vulnerability details
15.03.2013 - Vendor releases fixed version and details
29.03.2013 - Public disclosure
The vulnerability was discovered by Roman Ilin, Artem Chaykin, Ilya Karpov, Positive Research Center (Positive Technologies Company)
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