A Directory Traversal vulnerability exists in FusionPBX 4.5.7 allows malicoius users to rename any file of the system.via the (1) folder, (2) filename, and (3) newfilename variables in appeditfilerename.php.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21055
Reference (s):
- https://github.com/fusionpbx/fusionpbx/commit/1a88ca61a744914d3336cc15a40fb3edbcde9085
- https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-6/