PT-2014-15: Privilege Gaining in Siemens SIMATIC WinCC
Version: 7.2 and earlier
Version: 8.0 and earlier
Severity level: Medium
Impact: Privilege Gaining
Access Vector: Local
Base Score: 4.6
Siemens WinCC is a part of Siemens SIMATIC HMI software that aimed to provide connection between an operator and PLCs that manage technological processes.
The specialists of the Positive Research center have detected a Privilege Gaining vulnerability in SIMATIC WinCC.
Access permissions on system objects could allow a local user to obtain limited escalated privileges within the operating system.
How to fix
Update your software up to the latest version
19.03.2014 - Vendor gets vulnerability details
23.07.2014 - Vendor releases fixed version and details
29.07.2014 - Public disclosure
The vulnerability was detected by Alexander Tlyapov, Positive Research Center (Positive Technologies Company)
Reports on the vulnerabilities previously discovered by Positive Research: