CVE-2020-21056: Fusionpbx

Medium severity, CVSS 4.3. EPSS: 1% chance of exploitation in the next 30 days.

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.

Affected products

• Fusionpbx Fusionpbx: version 4.5.7 only

Published 2021-05-20. Last modified 2026-06-17.