Cisco Security Advisory – Devices running Cisco Application and Content Networking System (ACNS) software may be vulnerable to Denial of Service (DoS) attacks and may contain a default password for the administrative account. Devices running ACNS software may be vulnerable to the DoS attacks while configured as a transparent proxy server, forward proxy server, or reverse proxy server.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/36322/cisco-sa-20050224-acnsdos.txt
Source: https://packetstormsecurity.com/files/36322/Cisco-Security-Advisory-20050224-acnsdos.html