The version of OpenSSL on the 4.3 Cloud Service Appliance is vulnerable to CVE-2014-0160.
Install patch GSB431_137 on the 4.3 Gateway. This patch requires GSB431_135 to be installed.
The GSB431_137 patch uses openssl 1.0.1e-16.el6_5.7 which was released with the fix for CVE-2014-0160
The 4.2 CSA is not affected.