The default installation of Sourcefire 3D Sensor 1000, 2000, and 9900; and Defense Center 1000; uses the same static, private SSL keys for multiple devices and installations, which allows remote attackers to decrypt SSL traffic via a man-in-the-middle (MITM) attack.
https://support.sourcefire.com/notices/notice/1437
https://exchange.xforce.ibmcloud.com/vulnerabilities/59380
http://www.zerodayinitiative.com/advisories/ZDI-10-107/
http://www.vupen.com/english/advisories/2010/1438
http://www.securitytracker.com/id?1024092
http://www.securityfocus.com/archive/1/511792/100/0/threaded