CVEs / CVE-2019-19006
CVE-2019-19006: Sangoma FreePBX Improper Authentication Vulnerability
- Known exploited in the CISA KEV catalog since 3 Feb 2026
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 55.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Sangoma FreePBX contains an improper authentication vulnerability that potentially allows unauthorized users to bypass password authentication and access services provided by the FreePBX admin.
Description
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 3 Feb 2026 |
|---|---|
| Due date for US federal agencies | 24 Feb 2026 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-287 |
References
- CVE-2019-19006 on NVD
- CVE-2019-19006 in the CISA KEV catalog
- https://wiki.freepbx.org/display/FOP/2019-11-20%2BRemote%2BAdmin%2BAuthentication%2BBypass (cited by CISA)
- CVE-2019-19006 on OSV
- https://community.freepbx.org/t/freepbx-security-vulnerability-sec-2019-001/62772 Vendor Advisory
- https://pastebin.com/2CdsQMKW Broken Link
- https://wiki.freepbx.org/display/FOP/2019-11-20+Remote+Admin+Authentication+Bypass Vendor Advisory
- https://www.freepbx.org/category/blog/ Product
- https://research.checkpoint.com/2020/inj3ctor3-operation-leveraging-asterisk-servers-for-monetization/ Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-19006 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.