ArticleLive 2005 allows remote attackers to gain privileges by modifying the (1) auth and (2) userId fields in a cookie.
https://exchange.xforce.ibmcloud.com/vulnerabilities/20431
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-1485
http://www.securityfocus.com/bid/13493
http://www.digitalparadox.org/advisories/inal.txt
http://securitytracker.com/id?1013895