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.
Exploitability
AV:NAC:LAu:NImpact
C:PI:PA:P7.5/AV:N/AC:L/Au:N/C:P/I:P/A:P