The SalesLogix Eviewer allows remote attackers to cause a denial of service by accessing the URL for the slxweb.dll administration program, which does not authenticate the user.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2000-0277
http://www.securityfocus.com/bid/1089
http://archives.neohapsis.com/archives/bugtraq/current/0006.html