CVE-2021-4282

Name: CVE-2021-4282
Creator: NVD / NIST
Published: 2022-12-27T10:15:11.39+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2021-4282 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability was found in FreePBX voicemail. It has been declared as problematic. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

A vulnerability was found in FreePBX voicemail. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file page.voicemail.php. The manipulation leads to cross site scripting. The attack can be launched remotely. Upgrading to version 14.0.6.25 is able to address this issue. The name of the patch is 12e1469ef9208eda9d8955206e78345949236ee6. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-216871.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.52%

39.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Sangoma	Voicemail	< 14.0.6.25

References

https://github.com/FreePBX/voicemail/commit/12e1469ef9208eda9d8955206e78345949236ee6Patch, Third Party Advisory
https://github.com/FreePBX/voicemail/releases/tag/release%2F14.0.6.25Release Notes, Third Party Advisory
https://vuldb.com/?ctiid.216871Third Party Advisory
https://vuldb.com/?id.216871Third Party Advisory
https://github.com/FreePBX/voicemail/commit/12e1469ef9208eda9d8955206e78345949236ee6Patch, Third Party Advisory
https://github.com/FreePBX/voicemail/releases/tag/release%2F14.0.6.25Release Notes, Third Party Advisory
https://vuldb.com/?ctiid.216871Third Party Advisory
https://vuldb.com/?id.216871Third Party Advisory

Timeline

Published: Dec 27, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-4282?

How severe is CVE-2021-4282?

CVE-2021-4282 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4282?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-4282?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST