Secunia Security Advisory – A vulnerability has been reported in Cisco IOS, which can be exploited by malicious people to bypass RADIUS authentication.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/38339/sa15850.txt
Source: https://packetstormsecurity.com/files/38339/Secunia-Security-Advisory-15850.html