This indicates an attack attempt to exploit an SQL Injection Vulnerability in AlienVault Unified Security Management and Open Source SIEM.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application. A remote attacker could exploit this to execute arbitrary command as root, via a crafted request.
AlienVault OSSIM prior to 5.2.4
AlienVault Unified Security Management prior to 5.2.4
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the latest update from the vendor.