Prima Systems FlexAir, Versions 2.4.9api3 and prior. The application allows the upload of arbitrary Python scripts when configuring the main central controller. These scripts can be immediately executed because of root code execution, not as a web server user, allowing an authenticated attacker to gain full system access.

On Prima Systems FlexAir devices through 2.4.9api3, an authenticated user can upload Python (.py) scripts and execute arbitrary code with root privileges.