Secunia Security Advisory – Cisco has acknowledged a security issue in Cisco Clean Access, which can be exploited by malicious people to gain knowledge of sensitive information.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/53425/sa23556.txt
Source: https://packetstormsecurity.com/files/53425/Secunia-Security-Advisory-23556.html