CVE-2021-45490 Security feature bypass in n/a

Critical 9.1 Published 28 Mar 2022 Updated 4 Aug 2024

3CX client applications for Windows, iOS, and Android fail to validate SSL certificates, allowing attackers to intercept communications via man-in-the-middle attacks.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-45490?

CVE-2021-45490 is a critical vulnerability in n/a, published on 28 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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: CWE-295

Which versions are affected by CVE-2021-45490?

It affects 1 product.

Products include 3cx 3cx.

How do I fix CVE-2021-45490?

No fix has been published for CVE-2021-45490 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-45490 being exploited?

There is no known exploitation of CVE-2021-45490 in the wild and no public exploit code.

Sources

Also known as GHSA-5vvh-22mv-pf93.