What is CVE-2019-9972?

CVE-2019-9972 is a high-severity vulnerability in 3cx Phone System, classified under Command Injection. CVSS score: 8.8/10. Published 2022-06-07.

How severe is CVE-2019-9972?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in 3cx Phone System

CVE-2019-9972

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.016 (73.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

3cx Phone_system
3cx Phone_system_firmware — versions 16.0.0.1570
Debian Debian_linux
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-9972?: CVE-2019-9972 is a high-severity vulnerability in 3cx Phone System, classified under Command Injection. CVSS score: 8.8/10. Published 2022-06-07.
How severe is CVE-2019-9972?: High severity. CVSS v3 base score is 8.8 out of 10.