Cisco Security Advisory – Two vulnerabilities exist in the Cisco VPN Client for Microsoft Windows that may allow unprivileged users to elevate their privileges to those of the LocalSystem account.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/58634/cisco-sa-20070815-vpnclient.txt
Source: https://packetstormsecurity.com/files/58634/Cisco-Security-Advisory-20070815-vpnclient.html