CVE-2019-19006

Sangoma FreePBX: Improper Authentication

As of , CVE-2019-19006 in Sangoma FreePBX is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 3 February 2026
US federal deadline
24 February 202621 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.56Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: wiki.freepbx.orgLinks below, from CISA's entry.

What CISA says to do

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's required action

What the flaw is

Sangoma FreePBX contains an improper authentication vulnerability that potentially allows unauthorized users to bypass password authentication and access services provided by the FreePBX admin.

CISA's 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.

The CVE record's description, from mitre

CVE published
21 November 2019
Assigned by
mitre
CVSS
9.8 Critical (CVSS 3.1, from CISA-ADP)
CWE-287
Improper Authentication
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

FreePBX: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2025-64328OS Command InjectionSangoma FreePBXPatch this weekMetasploit module; EPSS 0.850.85
CVE-2025-57819Authentication BypassSangoma FreePBXPatch this weekMetasploit module; EPSS 0.850.85

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