Cisco Unified Computing System (UCS) Central Software 1.3(1b) and earlier allows remote attackers to execute arbitrary OS commands via a crafted HTTP request, aka Bug ID CSCuv33856.
http://www.securitytracker.com/id/1035565
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160413-ucs