CVE-2021-43405

HIGH

FusionPBX <4.5.30 - Info Disclosure

Title source: llm

Description

An issue was discovered in FusionPBX before 4.5.30. The fax_extension may have risky characters (it is not constrained to be numeric).

Exploits (1)

exploitdb WORKING POC
by Luska · pythonwebappsphp
https://www.exploit-db.com/exploits/50505

References (2)

Scores

CVSS v3 8.8
EPSS 0.0524
EPSS Percentile 90.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (1)
fusionpbx/fusionpbx < 4.5.30
Published Nov 05, 2021
Tracked Since Feb 18, 2026