This indicates an attack attempt against a Cross-Site Request Forgery vulnerability in Kaspersky Anti-Virus for Linux File Server.
The vulnerability is due to insufficient sanitization of user supplied inputs in the application. An attacker may exploit this to cause the server to perform certain actions in the context of an authorized user's session and gain unauthorized access to the affected application.
Kaspersky Labs Anti-Virus for Linux File Servers 184.108.40.2067 and prior
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor