CVE-2025-32853: 
Telecontrol Server Basic vulnerability analysis and mitigation

CVE-2025-32853 is a SQL injection vulnerability identified in TeleControl Server Basic (all versions prior to V3.1.2.2). The vulnerability was discovered and disclosed on April 16, 2025, affecting the 'UnlockDatabaseSettings' method in the application. This security flaw allows authenticated remote attackers to bypass authorization controls and interact with the application's database (Siemens Advisory, CISA).

The vulnerability exists in the internally used 'UnlockDatabaseSettings' method, which is susceptible to SQL injection attacks. The CVSS v3.1 base score is 8.8 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The CVSS v4.0 base score is 8.7 with the vector string CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N. The vulnerability is classified under CWE-89: Improper Neutralization of Special Elements used in an SQL Command (Siemens Advisory).

Successful exploitation of this vulnerability could allow an authenticated remote attacker to bypass authorization controls, read from and write to the application's database, and execute code with 'NT AUTHORITY\NetworkService' permissions. The attack requires the attacker to have access to port 8000 on a system where a vulnerable version of the application is running (Siemens Advisory).

Siemens has released version V3.1.2.2 which addresses this vulnerability. As a workaround, organizations are advised to restrict access to port 8000 on affected systems to trusted IP addresses only. Siemens also recommends configuring the environment according to their operational guidelines for Industrial Security (Siemens Advisory).