CVE-2019-9972
CVSS v3
8.8
HIGH
EPSS Score
1.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2022-06-07
Frequently asked questions
What is 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.
Is CVE-2019-9972 actively exploited?
Active exploitation of CVE-2019-9972 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-9972?
CVE-2019-9972 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2019-9972 affecting your environment?
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