Multiple SQL injection vulnerabilities in vTiger CRM 4.2 and earlier allow remote attackers to inject arbitrary SQL commands and bypass authentication via the (1) user_name and (2) date parameter in the HelpDesk module.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-3814
http://www.vupen.com/english/advisories/2005/2569
http://www.securityfocus.com/bid/15562
http://www.securityfocus.com/archive/1/417730/30/0/threaded
http://www.hardened-php.net/advisory_232005.105.html