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Vulnerability record · CVE-2019-14935 · published 12 August 2019

CVE-2019-14935: 3cx incorrect permission assignment vulnerability

3cx · 3cx

3CX Phone 15 on Windows has insecure permissions on the "%PROGRAMDATA%\3CXPhone for Windows\PhoneApp" installation directory, allowing Full Control access for Everyone, and leading to privilege escalation because of a StartUp link.

7.8 CVSS 3.0 High EPSS 0.37% · top 71.4% CWE-732 · Incorrect permission assignment
7.8CVSS 3.0 base score, v2 4.6
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

3CX Phone 15 on Windows has insecure permissions on the "%PROGRAMDATA%\3CXPhone for Windows\PhoneApp" installation directory, allowing Full Control access for Everyone, and leading to privilege escalation because of a StartUp link.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.3cx.com/community/threads/security-issue-with-3cx-windows-client-install.64432/ ExploitIssue TrackingVendor Advisory
https://www.3cx.com/community/threads/security-issue-with-3cx-windows-client-install.64432/ ExploitIssue TrackingVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-14935), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.