The Expressway component in Cisco TelePresence Video Communication Server (VCS) uses the same default X.509 certificate across different customers' installations, which makes it easier for remote attackers to conduct man-in-the-middle attacks against SSL sessions by leveraging the certificate's trust relationship, aka Bug ID CSCue07471.
https://exchange.xforce.ibmcloud.com/vulnerabilities/90650
http://www.securitytracker.com/id/1029682
http://www.securityfocus.com/bid/65101
http://tools.cisco.com/security/center/viewAlert.x?alertId=32540
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-0675