Cross-site request forgery (CSRF) vulnerability in Nitro API in Citrix NetScaler before 10.5 build 52.3nc allows remote attackers to hijack the authentication of administrators for requests that execute arbitrary commands as nsroot via shell metacharacters in the file_name JSON member in params/xen_hotfix/0 to nitro/v1/config/xen_hotfix.
https://www.exploit-db.com/exploits/36442/
https://euvd.enisa.europa.eu/vulnerability/EUVD-2015-2926
http://www.securityfocus.com/bid/73358
http://www.securityfocus.com/archive/1/534936/100/0/threaded
http://seclists.org/fulldisclosure/2015/Mar/129
http://packetstormsecurity.com/files/130937/Citrix-NITRO-SDK-Command-Injection.html