The Cisco VPN 3000 Concentrator series and Cisco VPN 3002 Hardware Client are vulnerable to many different attacks, ranging from DoS attack, exposing too much system information, revealing passwords to low privileged admin accounts, access to admin pages to non authenticated users, insufficient filtering of certain traffic.

We recommend that people who require detailed information about this Cisco advisory visit:
http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml

Solution
Cisco has fixed all of these issues software versions 3.5.5 and 3.6.1, we recommend that any using the affected software upgrade immidiatedly, download of the software require Cisco CCO access, if you don't have that contact your Cisco solution provider for an update.

Deep Links
Links available to Secunia VIM customers