VulnerabilityModified
CVE-2021-45490
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.
CRITICAL 9.1EPSS 1.09%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.09%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 1.09% probability · 63th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-295
- Affected
- 3cx/3cx
- Source
- cve@mitre.org
References
- https://packetstormsecurity.com/files/166376/3CX-Client-Missing-TLS-Validation.htmlThird Party Advisory, VDB Entry
- https://www.3cx.com/community/forums/posts-articles-news/Vendor Advisory
- https://packetstormsecurity.com/files/166376/3CX-Client-Missing-TLS-Validation.htmlThird Party Advisory, VDB Entry
- https://www.3cx.com/community/forums/posts-articles-news/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.