Vulnerability identifier: #VU22195

Vulnerability risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-16965

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FusionPBX
Server applications / SCADA systems

Vendor: FusionPBX

Description

The vulnerability exists due to a lack of input validation in the "resources/cmd.php" file. A remote authenticated administrator can execute arbitrary commands on the host as www-data.

Mitigation
Install updates released on 15/08/2019 on 4.4 and Master branches.

Vulnerable software versions

FusionPBX: Master

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External links
http://github.com/fusionpbx/fusionpbx/commit/6baad9af1bc55c80b793af3bd1ac35b39c20b173
http://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-sofia-api-command-injection-2/

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.