What is CVE-2019-9972?

CVE-2019-9972 is a vulnerability in 3CX Phone System (Debian based installation) 16.0.0.1570 that allows an authenticated attacker to run arbitrary commands with the phonesystem user privileges.

How severe is CVE-2019-9972?

CVE-2019-9972 has a severity rating of 8.8, which is considered critical.

What is the affected software for CVE-2019-9972?

The affected software for CVE-2019-9972 is 3CX Phone System firmware version 16.0.0.1570.

How can an attacker exploit CVE-2019-9972?

An authenticated attacker can exploit CVE-2019-9972 by using the "<space><space> followed by <shift><enter>" sequence to run arbitrary commands with phonesystem user privileges.

Are there any fix or mitigation steps for CVE-2019-9972?

The vendor has released a patch for CVE-2019-9972, and users are advised to update to the latest version of 3CX Phone System firmware to mitigate the vulnerability.

Vulnerability/
CVE-2019-9972

critical

CWE

7/6/2022

4/8/2024

CVE-2019-9972: Command Injection

First published: Tue Jun 07 2022(Updated: )

PhoneSystem Terminal in 3CX Phone System (Debian based installation) 16.0.0.1570 allows an authenticated attacker to run arbitrary commands with the phonesystem user privileges because of "<space><space> followed by <shift><enter>" mishandling.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
3cx Phone System Firmware	=16.0.0.1570
3CX Phone System
Debian Debian Linux

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Frequently Asked Questions

What is CVE-2019-9972?
CVE-2019-9972 is a vulnerability in 3CX Phone System (Debian based installation) 16.0.0.1570 that allows an authenticated attacker to run arbitrary commands with the phonesystem user privileges.
How severe is CVE-2019-9972?
CVE-2019-9972 has a severity rating of 8.8, which is considered critical.
What is the affected software for CVE-2019-9972?
The affected software for CVE-2019-9972 is 3CX Phone System firmware version 16.0.0.1570.
How can an attacker exploit CVE-2019-9972?
An authenticated attacker can exploit CVE-2019-9972 by using the "<space><space> followed by <shift><enter>" sequence to run arbitrary commands with phonesystem user privileges.
Are there any fix or mitigation steps for CVE-2019-9972?
The vendor has released a patch for CVE-2019-9972, and users are advised to update to the latest version of 3CX Phone System firmware to mitigate the vulnerability.

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agent/severity
agent/author
agent/type
agent/event
agent/weakness
agent/references
agent/description
agent/softwarecombine
agent/first-publish-date
agent/last-modified-date
agent/tags
collector/mitre-cve
source/MITRE
vendor/3cx
canonical/3cx phone system firmware
version/3cx phone system firmware/16.0.0.1570
canonical/3cx phone system
vendor/debian
canonical/debian debian linux

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