Siemens TeleControl Server Basic SQL Injection Vulnerability Allowing Database Access and Code Execution

A SQL injection vulnerability has been identified in Siemens TeleControl Server Basic, affecting all versions prior to V3.1.2.2. The vulnerability arises in the 'UnlockTcmSettings' method, allowing authenticated remote attackers to bypass authorization controls, manipulate the application's database, and execute code with 'NT AUTHORITY\NetworkService' permissions. Exploitation requires access to port 8000 on the affected system.

Impact

Successful exploitation allows for unauthorized database access and manipulation, and execution of code in the operating system shell with limited 'NT AUTHORITY\NetworkService' permissions.

Remediation

Users are advised to update to TeleControl Server Basic V3.1.2.2 or later. Specific workarounds include restricting access to port 8000 on affected systems to trusted IP addresses only.