Vulnerability 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.
CVSS Score
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 3Cx | 3Cx | <= 18.0.4 |
Related Weaknesses (CWE)
References
- https://packetstormsecurity.com/files/166376/3CX-Client-Missing-TLS-Validation.hThird Party AdvisoryVDB Entry
- https://www.3cx.com/community/forums/posts-articles-news/Vendor Advisory
- https://packetstormsecurity.com/files/166376/3CX-Client-Missing-TLS-Validation.hThird Party AdvisoryVDB Entry
- https://www.3cx.com/community/forums/posts-articles-news/Vendor Advisory
FAQ
What is CVE-2021-45490?
CVE-2021-45490 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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.
How severe is CVE-2021-45490?
CVE-2021-45490 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-45490?
Check the references section above for vendor advisories and patch information. Affected products include: 3Cx 3Cx.