GroupWise WebAccess 5.5 with directory indexing enabled allows a remote attacker to view arbitrary directory contents via an HTTP request with a lowercase "get".
The Java Server in the Novell GroupWise Web Access Enhancement Pack allows remote attackers to cause a denial of service via a long URL to the servlet.
Groupwise web server GWWEB.EXE allows remote attackers to read arbitrary files with .htm extensions via a .. (dot dot) attack using the HELP parameter.