CVE-2021-45490

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.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.13%
Vendor Advisory 3cx.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.3cx.com/community/forums/posts-articles-news/ vendor advisory
https://packetstormsecurity.com/files/166376/3CX-Client-Missing-TLS-Validation.html third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2021-45490?
CVE-2021-45490 has been scored as a critical severity vulnerability.
How to fix CVE-2021-45490?
To fix CVE-2021-45490, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-45490 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-45490 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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