CVE-2019-9972

HIGHNVD 8.88.8—

8.8

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 " followed by " mishandling.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 73.5%
KEV: Not listed

Published

June 7, 2022

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://www.gosecure.net/blog
cve@mitrehttps://www.gosecure.net/blog/2022/05/31/security-advisory-multiple-vulnerabilities-impact-3cx-phone-system/
af854a3a-2127-422b-91ae-364da2661108https://www.gosecure.net/blog
af854a3a-2127-422b-91ae-364da2661108https://www.gosecure.net/blog/2022/05/31/security-advisory-multiple-vulnerabilities-impact-3cx-phone-system/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-77Command Injection

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 21:02 UTCEG score recompute
2026-05-25 21:02 UTCGHSA enrichment
2026-05-24 16:47 UTCepss_batch

Frequently asked(5)

What is CVE-2019-9972?

CVE-2019-9972 is a high vulnerability published on June 7, 2022. 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.

When was CVE-2019-9972 disclosed?

CVE-2019-9972 was first published in the National Vulnerability Database on June 7, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-9972 actively exploited?

CVE-2019-9972 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-9972?

CVE-2019-9972 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2019-9972?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-9972, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2019-9972

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-9972?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)