CVE-2022-48483 Information

Description

3CX before 18 Hotfix 1 build 18.0.3.461 on Windows allows unauthenticated remote attackers to read %WINDIR%\system32 files via /Electron/download directory traversal in conjunction with a path component that has a drive letter and uses backslash characters. NOTE: this issue exists because of an incomplete fix for CVE-2022-28005.

Reference

https://medium.com/@frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88 https://www.3cx.com/blog/change-log/phone-system-change-log/