What’s Vulnerable › Vulnerabilities

CVE-2019-11409

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 87.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-06-17 · updated 2026-06-17
• Weakness: CWE-78

Description

app/operator_panel/exec.php in the Operator Panel module in FusionPBX 4.4.3 suffers from a command injection vulnerability due to a lack of input validation that allows authenticated non-administrative attackers to execute commands on the host. This can further lead to remote code execution when combined with an XSS vulnerability also present in the FusionPBX Operator Panel module.

Affected products

• fusionpbx: 4.4.3

References

• http://packetstormsecurity.com/files/153256/FusionPBX-4.4.3-Remote-Command-Execution.html
• http://packetstormsecurity.com/files/155344/FusionPBX-Operator-Panel-exec.php-Command-Execution.html
• https://blog.gdssecurity.com/labs/2019/6/7/rce-using-caller-id-multiple-vulnerabilities-in-fusionpbx.html
• https://github.com/fusionpbx/fusionpbx/commit/e43ca27ba2d9c0109a6bf198fe2f8d79f63e0611
• http://packetstormsecurity.com/files/153256/FusionPBX-4.4.3-Remote-Command-Execution.html
• http://packetstormsecurity.com/files/155344/FusionPBX-Operator-Panel-exec.php-Command-Execution.html
• https://blog.gdssecurity.com/labs/2019/6/7/rce-using-caller-id-multiple-vulnerabilities-in-fusionpbx.html
• https://github.com/fusionpbx/fusionpbx/commit/e43ca27ba2d9c0109a6bf198fe2f8d79f63e0611

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