Avocents CCM console server has a flaw which enables users to bypass access control by using ssh with standard password based authentication. Tested on S/W Version 2.1, CCM4850.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40161/avocents.txt
Source: https://packetstormsecurity.com/files/40161/avocents.txt.html