Threats / Sangoma / CVE-2019-19006
CVE-2019-19006
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Sangoma FreePBX vulnerability
Sangoma FreePBX contains an improper authentication vulnerability allowing unauthorized access to admin services by bypassing password authentication.
Verdict
Today item — known-exploited.
An authentication bypass in FreePBX permits unauthenticated attackers to gain administrative access without valid credentials, enabling unauthorized system control and configuration changes.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
4 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-02-03).
Probability (EPSS)
EPSS 0.35791 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Sangoma, FreePBX. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-287 Improper Authentication — weakness family: Authentication.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I identify that FreePBX authentication can be bypassed without providing valid credentials.
Business
Administrative access controls fail, exposing the PBX system to unauthorized configuration and data access.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I gain administrative privileges to the FreePBX management interface through the authentication flaw.
Business
Attackers obtain full control over voice communication infrastructure and user data stored in the system.
3
Lateral reach — past segmentation narrative 3
Attacker
I modify system settings, create rogue accounts, or extract sensitive information from the compromised PBX.
Business
Business continuity is disrupted; call routing, voicemail, and user credentials are compromised or altered.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05