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CVE-2022-48483

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.

POC

Reference

- https://medium.com/%40frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88

- https://medium.com/@frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88

Github

No PoCs found on GitHub currently.