AUGUST 4, 2026
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Case File

CVE-2021-45490

CRITICAL · CVSS 9.1 EPSS 1.07% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-28 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-45490
Severity
CRITICAL
CVSS
9.1
EPSS
1.07%
Windows Android

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)