The restapps (aka Rest Phone apps) module for Sangoma FreePBX and PBXact 13, 14, and 15 through 15.0.19.2 allows remote code execution via a URL variable to an AMI command.Referenceshttps://wiki.freepbx.org/display/FOP/List+of+Securities+Vulnerabilitieshttps://wiki.freepbx.org/display/FOP/2020-03-12+SECURITY%3A+Potential+Rest+Phone+Apps+RCE