Secunia Research has discovered a security issue in MDaemon versions 9.0.5, 9.0.6, 9.51, and 9.53, which can be exploited by malicious, local users to gain escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/52279/secunia-mdaemon.txt
Source: https://packetstormsecurity.com/files/52279/secunia-mdaemon.txt.html