CVE-2016-4793
The clientIp function in CakePHP 3.2.4 and earlier allows remote attackers to spoof their IP via the CLIENT-IP HTTP header.
Date published : 2017-01-23
http://www.securityfocus.com/bid/95846
https://bakery.cakephp.org/2016/03/13/cakephp_2613_2711_282_3017_3112_325_released.html