This indicates an attack attempt to exploit a SQL Injection Vulnerability in Siemens SINEC NMS.
The vulnerability is due to an input validation error when processing user input in SQL queries. A remote authenticated attacker could exploit this vulnerability by sending a crafted HTTP request to the targeted server. Successful exploitation could result, in the worst case, in arbitrary code execution.
Siemens SINEC NMS prior to o V1.0 SP2 Update 1
System Compromise: Remote attackers can add, view, delete or modify data in the database of the affected application
Apply the most recent upgrade or patch from the vendor.