The Enterprise version of SyncBreeze 10.2.12 and earlier is affected by a Remote Denial of Service vulnerability. The web server does not check bounds when reading server requests in the Host header on making a connection, resulting in a classic Buffer Overflow that causes a Denial of Service.
https://www.exploit-db.com/exploits/43344/
https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-8254
http://seclists.org/fulldisclosure/2017/Dec/45
http://packetstormsecurity.com/files/145435/Sync-Breeze-10.2.12-Denial-Of-Service.html