VULNERABILITY INTELLIGENCE

CVE-2021-45490

CVSS score9.1 CRITICAL

EPSS probability1.09%

CISA KEVNot currently listed

Published2022-03-28

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Description

The client applications in 3CX on Windows, the 3CX app for iOS, and the 3CX application for Android through 2022-03-17 lack SSL certificate validation.

Weakness classification

CWE-295: Improper Certificate Validation

Primary references

cve@mitre.org — Third Party Advisory, VDB Entry
cve@mitre.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory