Avamar Data Store (ADS) and Avamar Virtual Edition (AVE) in EMC Avamar Server before 7.3.0-233 rely on client-side authentication, which allows remote attackers to spoof clients and read backup data via a modified client agent.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-0914
http://www.securitytracker.com/id/1036844