Once upon a time
CVE-2005-2137 - Unknown vulnerability in NateOn Messenger 3.0 allows remote attackers to list arbitrary directories via unknown attack vectors.
CVE-2005-3113, CVE-2005-3114 - http://www.exploit-db.com/exploits/26306/ - NateOn Messenger Buffer Overflow in 'NateonDownloadManager.ocx'
CVE-NO-MATCHED / Nate User Password Disclosed By Anonymous
CVE-2006-2233 - BankTown's ActiveX Buffer Overflow Vulnerability
CVE-NO-MATCHED - http://www.exploit-db.com/exploits/26306/ - NateOn Messenger 3.0 Arbitrary File Download And Buffer Overflow Vulnerabilities
CVE-2007-1722 - SignKorea's ActiveX Buffer Overflow Vulnerability
Again
CVE 2014-7919 - Android (Reserved)