Improper input validation in Fusionpbx

CVE-2021-43406

An issue was discovered in FusionPBX before 4.5.30. The fax_post_size may have risky characters (it is not constrained to preset values).

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.009 (57.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fusionpbx
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-43406?: CVE-2021-43406 is a high-severity vulnerability in Fusionpbx, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2021-11-05.
How severe is CVE-2021-43406?: High severity. CVSS v3 base score is 8.8 out of 10.