The default installation of Vignette Application Portal installs the diagnostic utility without authentication requirements, which allows remote attackers to gain sensitive information, such as server and OS version, and conduct unauthorized activities via an HTTP request to /diag.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17530
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-0915
http://www.securityfocus.com/bid/11267
http://www.atstake.com/research/advisories/2004/a092804-1.txt