Directory Traversal vulnerability exists in FusionPBX 4.5.7, which allows a remote malicious user to create folders via the folder variale to app\edit\foldernew.php.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-21056.json"
[ { "events": [ { "introduced": "0" }, { "last_affected": "4.5.7" } ] } ]