Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.1, allows restricted administrators to obtain user passwords that are stored in plaintext in HTML source code.
http://www.securityfocus.com/bid/5611
http://www.iss.net/security_center/static/10019.php
http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml