htdocs_ari/includes/login.php in the ARI Framework module/Asterisk Recording Interface (ARI) in FreePBX before 2.9.0.9, 2.10.x, and 2.11 before 2.11.1.5 allows remote attackers to execute arbitrary code via the ari_auth cookie, related to the PHP unserialize function, as exploited in the wild in September 2014.
community.freepbx.org/t/critical-freepbx-rce-vulnerability-all-versions-cve-2014-7235/24536
packetstormsecurity.com/files/128516/FreePBX-Authentication-Bypass-Account-Creation.html
secunia.com/advisories/61601
www.securityfocus.com/bid/70188
exchange.xforce.ibmcloud.com/vulnerabilities/96790
github.com/FreePBX/fw_ari/commit/f294b4580ce725ca3c5e692d86e63d40cef4d836
www.exploit-db.com/exploits/41005/