Remote attackers can cause a denial of service in Novell BorderManager 3.5 by pressing the enter key in a telnet connection to port 2000.

The ClientTrust program in Novell BorderManager does not properly verify the origin of authentication requests, which could allow remote attackers to impersonate another user by replaying the authentication requests and responses from port 3024 of the victim's machine.

Novell BorderManager 3.0 and 3.5 allows remote attackers to bypass URL filtering by encoding characters in the requested URL.

Novell BorderManager 3.5 with PAT (Port-Address Translate) enabled allows remote attackers to cause a denial of service by filling the connection table with a large number of connection requests to hosts that do not have a specific route, which may be forwarded to the public interface.