Siemens TeleControl Server Basic UpdateProjectConnections SQL Injection Information Disclosure Vulnerability

June 16th, 2025
ZDI-25-387 ZDI-CAN-25910

CVE ID

CVE-2025-30003

CVSS Score

6.5 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Vendors

Siemens

Affected Products

TeleControl Server Basic

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Siemens TeleControl Server Basic. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.

The specific flaw exists within the implementation of the UpdateProjectConnections method. The issue results from the lack of proper validation of a user-supplied string before using it to construct SQL queries. An attacker could leverage this vulnerability to disclose stored credentials, leading to further compromise.

Additional Details

Siemens has issued an update to correct this vulnerability. More details can be found at:
https://cert-portal.siemens.com/productcert/html/ssa-443402.html

Disclosure Timeline

  • 2025-03-12 - Vulnerability reported to vendor
  • 2025-06-16 - Coordinated public release of advisory
  • 2025-06-16 - Advisory Updated

Credit

Anonymous

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