SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-11409

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.

EXPLOIT ✓HIGH 8.8EPSS 87.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 87.5%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
87.48% probability · 100th percentile
Public exploits
1 in Exploit-DB · verified · first 20 November 2019
CISA KEV
Not listed
Weakness
CWE-78
Affected
fusionpbx/fusionpbx
Source
cve@mitre.org
EPSS trend
0%45%90%27 October 2026: 87.48%27 October 202627 October 2026

EPSS 87.5% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-47697source ↗FusionPBX - Operator Panel exec.php Command Execution (Metasploit)multiple · Metasploitremote20 November 2019yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.