Detections
Analytics

CVE-2021-45490

critical

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.

References

https://www.3cx.com/community/forums/posts-articles-news/

https://packetstormsecurity.com/files/166376/3CX-Client-Missing-TLS-Validation.html

Details

Source: Mitre, NVD

Published: 2022-03-28

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

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

Severity: Critical

EPSS

EPSS: 0.00121