CVE-2020-21056 — MEDIUM (4.3)

Vulnerability Description

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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Fusionpbx	Fusionpbx	4.5.7

Related Weaknesses (CWE)

CWE-22

References

https://github.com/fusionpbx/fusionpbx/commit/cad71240dee2a82cd5766dd67039a87849PatchThird Party Advisory
https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-5/Third Party Advisory
https://github.com/fusionpbx/fusionpbx/commit/cad71240dee2a82cd5766dd67039a87849PatchThird Party Advisory
https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-5/Third Party Advisory

FAQ

What is CVE-2020-21056?

CVE-2020-21056 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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.

How severe is CVE-2020-21056?

CVE-2020-21056 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-21056?

Check the references section above for vendor advisories and patch information. Affected products include: Fusionpbx Fusionpbx.