I did a big research on the CyberGhost website and I was able to find 21 security issues. For responsibly disclosing them I received a nice letter of thanks 😉
http://www.mediafire.com/view/c53dpqsyjciwux0/Thank_You_Letter_Osanda.pdf
I also received 1 year premium VPN
Special thanks to Ana Schiopu for being such kind 🙂