Basic Analysis and Security Engine (BASE) before 1.3.8 sends a redirect to the web browser but does not exit, which allows remote attackers to bypass authentication via (1) base_main.php, (2) base_qry_alert.php, and possibly other vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/34724
http://www.securityfocus.com/bid/24315
http://sourceforge.net/project/shownotes.php?group_id=103348&release_id=521723
http://secunia.com/advisories/25518
http://lists.grok.org.uk/pipermail/full-disclosure/2007-June/063767.html
http://archives.neohapsis.com/archives/fulldisclosure/2007-06/0031.html