FREAK attack was announced on March 3, 2015 and was discovered by Karthikeyan Bhargavan at INRIA in Paris.
The FREAK attack is possible when a vulnerable browser connects to a susceptible web server—a server that accepts “export-grade” encryption.
Vulnerable TLS Clients-
OpenSSL - Versions before 1.0.1
Vulnerable Web Browsers-
Chrome - Versions before 41
Android Browsers - Vulnerable as they rarely gets updates