Siemens TeleControl Server Basic 3.1.2.1 CreateTrace sql injection

Summaryinfo

A vulnerability marked as critical has been reported in Siemens TeleControl Server Basic. The affected element is the function CreateTrace. The manipulation leads to sql injection. This vulnerability is uniquely identified as CVE-2025-27495. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens TeleControl Server Basic and classified as critical. This issue affects the function CreateTrace. The manipulation with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is 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 'CreateTrace' method. This could allow an unauthenticated 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-25911)

It is possible to read the advisory at cert-portal.siemens.com. The identification of this vulnerability is CVE-2025-27495 since 02/26/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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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CPE 2.2info

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