Advisory Details

June 16th, 2025

Siemens TeleControl Server Basic UpdateConnectionVariables SQL Injection Information Disclosure Vulnerability

ZDI-25-386
ZDI-CAN-25909

CVE ID CVE-2025-30002
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 UpdateConnectionVariables 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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