How severe is CVE-2019-19538?

CVE-2019-19538 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-19538 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19538?

CVE-2019-19538 affects Sangoma Freepbx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19538?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-19538 published?

CVE-2019-19538 was published on 2020-03-16 and last updated on 2026-06-17.

CVE-2019-19538

CVE-2019-19538 is a high-severity vulnerability in Sangoma Freepbx with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sangoma Freepbx
Published: 2020-03-16
Last modified: 2026-06-17

Description

In Sangoma FreePBX 13 through 15 and sysadmin (aka System Admin) 13.0.92 through 15.0.13.6 modules have a Remote Command Execution vulnerability that results in Privilege Escalation.

Frequently asked questions

What is CVE-2019-19538?: In Sangoma FreePBX 13 through 15 and sysadmin (aka System Admin) 13.0.92 through 15.0.13.6 modules have a Remote Command Execution vulnerability that results in Privilege Escalation.
How severe is CVE-2019-19538?: CVE-2019-19538 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-19538 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19538?: CVE-2019-19538 affects Sangoma Freepbx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19538?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-19538 published?: CVE-2019-19538 was published on 2020-03-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:*

More vulnerabilities in Sangoma Freepbx

CVE-2014-7235 — Critical (CVSS 10.0): htdocs_ari/includes/login.php in the ARI Framework module/Asterisk Recording Interface (ARI) in FreePBX before 2.9.0.9,…
CVE-2026-46376 — Critical (CVSS 9.8): FreePBX is an open source IP PBX. From 15.0.42 to before 16.0.45 and 17.0.7, unauthenticated users may be able to…
CVE-2025-66039 — Critical (CVSS 9.8): FreePBX Endpoint Manager is a module for managing telephony endpoints in FreePBX systems. Versions are vulnerable to…
CVE-2025-57819 — Critical (CVSS 9.8): FreePBX is an open-source web-based graphical user interface. FreePBX 15, 16, and 17 endpoints are vulnerable due to…
CVE-2019-19006 — Critical (CVSS 9.8): Sangoma FreePBX 115.0.16.26 and below, 14.0.13.11 and below, 13.0.197.13 and below have Incorrect Access Control.
CVE-2026-44239 — High (CVSS 8.8): FreePBX is an open source IP PBX. Prior to 16.0.22 and 17.0.5, the Dashboard module's getcontent AJAX handler includes…

All CVEs affecting Sangoma Freepbx →