Siemens TeleControl Server Basic 3.1.2.1 UpdateBufferingSettings sql injection

Summaryinfo

A vulnerability was found in Siemens TeleControl Server Basic. It has been classified as critical. This vulnerability affects the function UpdateBufferingSettings. This manipulation causes sql injection. This vulnerability is registered as CVE-2025-31350. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Siemens TeleControl Server Basic and classified as critical. Affected by this vulnerability is the function UpdateBufferingSettings. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected application is vulnerable to SQL injection through the internally used 'UpdateBufferingSettings' method. This could allow an authenticated remote attacker to bypass authorization controls, to read from and write to the application's database and execute code with "NT AUTHORITY\NetworkService" permissions. A successful attack requires the attacker to be able to access port 8000 on a system where a vulnerable version of the affected application is executed on. (ZDI-CAN-25918)

It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is known as CVE-2025-31350 since 03/28/2025. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/19/2025). The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

Upgrading to version 3.1.2.2 eliminates this vulnerability.

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Productinfo

Vendor

• Siemens

Name

• TeleControl Server Basic

Version

• 3.1.2.1

License

• commercial

Website

• Vendor: https://www.siemens.com/

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