The Web management interface in Avaya SIP Enablement Services (SES) 3.x and 4.0, as used with Avaya Communication Manager 3.1.x, does not perform authentication for certain functionality, which allows remote attackers to obtain sensitive information and access restricted functionality via (1) the certificate installation utility, (2) unspecified scripts in the objects folder, (3) an "unnecessary default application," (4) unspecified scripts in the states folder, (5) an unspecified "default application" that lists server configuration, and (6) "full system help.".