MySQL Connector/NET before 6.0.4, when using encryption, does not verify SSL certificates during connection, which allows remote attackers to perform a man-in-the-middle attack with a spoofed SSL certificate.
https://exchange.xforce.ibmcloud.com/vulnerabilities/51406
https://euvd.enisa.europa.eu/vulnerability/EUVD-2009-4796
http://www.securitytracker.com/id?1022482
http://www.securityfocus.com/bid/35514