CVE-2007-3308
Simple Machines Forum (SMF) 1.1.2 uses a concatenation method with insufficient randomization when creating a WAV file CAPTCHA, which allows remote attackers to pass the CAPTCHA test via an automated brute-force attack.
Date published : 2007-06-20
http://www.securityfocus.com/archive/1/471641/100/0/threaded