CVE-2015-2318
The TLS stack in Mono before 3.12.1 allows man-in-the-middle attackers to conduct message skipping attacks and consequently impersonate clients by leveraging missing handshake state validation, aka a "SMACK SKIP-TLS" issue.
Date published : 2018-01-08
http://www.securityfocus.com/bid/73253
http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/
