The web-based GUI in Cisco Firepower Management Center 4.x and 5.x before 5.3.1.2 and 5.4.x before 5.4.0.1 and Cisco Adaptive Security Appliance (ASA) Software on 5500-X devices with FirePOWER Services 4.x and 5.x before 5.3.1.2 and 5.4.x before 5.4.0.1 allows remote authenticated users to execute arbitrary commands as root via crafted HTTP requests, aka Bug ID CSCur25513.