PT-2021-10579 · Fusionpbx · Fusionpbx

Pierre Jourdan · Published 2021-05-20 · Updated 2021-05-25 · CVE-2020-21056

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: FusionPBX version 4.5.7

Description: A Directory Traversal issue exists, allowing a remote malicious user to create folders via the folder variable to "appeditfoldernew.php".

Recommendations: For FusionPBX version 4.5.7, consider restricting access to the "appeditfoldernew.php" endpoint until a patch is available. As a temporary workaround, avoid using the folder variable in the affected endpoint to minimize the risk of exploitation.

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2020-21056

Affected Products

Fusionpbx

References · 4

• https://github.com/fusionpbx/fusionpbx/commit/cad71240dee2a82cd5766dd67039a87849031aaa · Patch
• https://osv.dev/vulnerability/CVE-2020-21056 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-21056 · Security Note
• https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-5 · Note