In Flexense VX Search Enterprise v10.1.12, the Control Protocol suffers from a denial of service vulnerability. The attack vector is a crafted SERVER_GET_INFO packet sent to control port 9123.
https://www.exploit-db.com/exploits/43451/
https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-7113
http://packetstormsecurity.com/files/145764/VX-Search-Enterprise-10.1.12-Denial-Of-Service.html