Symantec Messaging Gateway (SMG) before 10.0 has a default password for an unspecified account, which makes it easier for remote attackers to obtain privileged access via an SSH session.
packetstormsecurity.com/files/116277/Symantec-Messaging-Gateway-9.5-Default-SSH-Password.html
www.securityfocus.com/bid/55143
www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2012&suid=20120827_00
exchange.xforce.ibmcloud.com/vulnerabilities/78034