#VU22290 Command Injection in FusionPBX - CVE-2019-11409


| Updated: 2021-06-17

Vulnerability identifier: #VU22290

Vulnerability risk: High

CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2019-11409

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
FusionPBX
Server applications / SCADA systems

Vendor: FusionPBX

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to a lack of input validation in the "exec.php" component in the Operator Panel module. A remote authenticated attacker can execute arbitrary commands on the host.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FusionPBX: Master

External links
https://blog.gdssecurity.com/labs/2019/6/7/rce-using-caller-id-multiple-vulnerabilities-in-fusionpbx.html
https://github.com/fusionpbx/fusionpbx/commit/e43ca27ba2d9c0109a6bf198fe2f8d79f63e0611

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.


Latest bulletins with this vulnerability


Multiple vulnerabilities in FusionPBX