CVE-2025-57819
Confirmed PUBLISHEDFreePBX Affected by Authentication Bypass Leading to SQL Injection and RCE
1 day faster than CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
FreePBX is an open-source web-based graphical user interface. FreePBX 15, 16, and 17 endpoints are vulnerable due to insufficiently sanitized user-supplied data allowing unauthenticated access to FreePBX Administrator leading to arbitrary database manipulation and remote code execution. This issue has been patched in endpoint versions 15.0.66, 16.0.89, and 17.0.3.
- CVE Published
- Aug 28, 2025
- Exploitation Reported
- Jun 01, 2026
- CVSS
- 10.0 Critical
- EPSS
- 93.3%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| FreePBX |
endpoint
|
< 15.0.66 |
Affected |
| FreePBX |
endpoint
|
< 16.0.89 |
Affected |
| FreePBX |
endpoint
|
< 17.0.3 |
Affected |
CVE References
- https://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3h github.com · CVE Record https://github.com/FreePBX/security-reporting/security/advisories/GHS...
- https://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203 community.freepbx.org · CVE Record https://community.freepbx.org/t/security-advisory-please-lock-down-yo...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2026-06-01 10:39 UTC |
| CISA | 2026-06-02 14:06 UTC |
| The Shadowserver | 2026-07-08 00:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-57819.yaml | Jun 01, 2026 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2026-06-01 10:39:48 UTC · CVE
Proof of concept available
Recorded 2026-06-12 14:21:09 UTC · Nuclei Templates
Weaknesses (CWE)
-
Authentication Bypass Using an Alternate Path or Channel
-
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-57819.yaml | Jun 01, 2026 |
Recent Mentions
Daily CyberSecurity · Jun 15, 2026
System administrators must immediately patch two critical FreePBX RCE vulnerabilities that expose voice over IP (VoIP) telephony servers The post FreePBX RCE Vulnerabilities Threaten Telecom Servers appeared first on Daily CyberSecurity. Related posts: MediaTek’s June 2025 Security Bulletin: High-Severity Flaw & Multiple Medium Risks Uncovered CVE-2025-48387: Critical tar-fs Vulnerability Exposes Millions to Arbitrary File Writes CRITICAL Zero-Day CVE-2025-57819 in FreePBX Is Under Active Attack (CVSS 10.0)
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC 9 days ago00:00 UTC · 9 days ago
KEV confirmed by The Shadowserver
Exploitation attested by an external source
-
14:21 UTC about 1 month ago14:21 UTC · about 1 month ago
Public PoC available
Public proof-of-concept code published
-
14:06 UTC about 1 month ago14:06 UTC · about 1 month ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
15:34 UTC about 2 months ago15:34 UTC · about 2 months ago
Nuclei template available
Scanner coverage available
-
10:39 UTC about 2 months ago10:39 UTC · about 2 months ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
16:45 UTC 11 months ago16:45 UTC · 11 months ago
CVE published
Vulnerability disclosed publicly
-
14:30 UTC 11 months ago14:30 UTC · 11 months ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2025-57819
{
"cve_id": "CVE-2025-57819",
"title": "FreePBX Affected by Authentication Bypass Leading to SQL Injection and RCE",
"affected_vendor": "FreePBX",
"affected_product": "endpoint",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 10.0,
"epss_score": 0.93286,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}