Secunia Security Advisory – Avaya has acknowledged a vulnerability in Avaya CMS, which can be exploited by malicious people to conduct spoofing attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/74781/sa33882.txt
Source: https://packetstormsecurity.com/files/74781/Secunia-Security-Advisory-33882.html

