---
title: "CVE-2019-19006:  Sangoma FreePBX Improper Authentication Vulnerability"
url: https://erroneo.us/security/cve/CVE-2019-19006/
description: "CVE-2019-19006 (Sangoma FreePBX): Exploited in the wild (CISA KEV). Sangoma FreePBX 115.0.16.26 and below, 14.0.13.11 and below, 13.0.197.13 and below have…"
type: vulnerability-record
section: "Security Digest"
date_published: 2019-11-21
date_modified: 2026-02-03
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2019-19006"
kev: true
cvss: 9.8
epss: 0.55946
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2019-19006:  Sangoma FreePBX Improper Authentication Vulnerability

**Signal:** Exploited: patch now if you run it. CISA has confirmed exploitation in the wild. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Yes, if you run Sangoma FreePBX. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2026-02-03, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2026-02-24 ; treat that as the outer limit, not the target.
- EPSS 55.9% , percentile 99: FIRST’s model estimates a 55.9% chance of exploitation activity in the next 30 days, higher than 99% of all scored CVEs (very high). EPSS is a probability, not a verdict.
- Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.

## What it is

Sangoma FreePBX 115.0.16.26 and below, 14.0.13.11 and below, 13.0.197.13 and below have Incorrect Access Control.

## Affected products (CVE record)

- n/a n/a: see advisory

## Severity

- CISA-ADP CVSS 3.1: 9.8 `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

## Exploitation

- CISA KEV: added 2026-02-03; federal due date 2026-02-24. Known ransomware use: Unknown.
- CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA SSVC assessment: exploitation active , automatable yes , technical impact total .
- FIRST EPSS (model of 2026-10-21): 55.95% probability of exploitation activity in the next 30 days; percentile 99.

## Sources

- [Listed in CISA KEV notes (wiki.freepbx.org)](https://wiki.freepbx.org/display/FOP/2019-11-20%2BRemote%2BAdmin%2BAuthentication%2BBypass)
- [CVE.org record CVE-2019-19006](https://www.cve.org/CVERecord?id=CVE-2019-19006)
- [NVD entry CVE-2019-19006](https://nvd.nist.gov/vuln/detail/CVE-2019-19006)
- [CISA Known Exploited Vulnerabilities catalog entry](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-19006)
- [freepbx.org](https://www.freepbx.org/category/blog/)
- [wiki.freepbx.org](https://wiki.freepbx.org/display/FOP/2019-11-20+Remote+Admin+Authentication+Bypass)
- [community.freepbx.org](https://community.freepbx.org/t/freepbx-security-vulnerability-sec-2019-001/62772)
- [pastebin.com](https://pastebin.com/2CdsQMKW)
- [research.checkpoint.com](https://research.checkpoint.com/2020/inj3ctor3-operation-leveraging-asterisk-servers-for-monetization/)

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Source page: https://erroneo.us/security/cve/CVE-2019-19006/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt