Directory traversal vulnerability in Novell GroupWise 5.5 and 6.0 allows remote attackers to read arbitrary files via a request for /servlet/webacc?User.html= that contains "../" (dot dot) sequences and a null character.

GroupWise 5.5 and 6 running in live remote or smart caching mode allows remote attackers to read arbitrary users' mailboxes by extracting usernames and passwords from sniffed network traffic, as addressed by the "Padlock" fix.