3CX before 18 Update 2 Security Hotfix build 18.0.2.315 on Windows allows unauthenticated remote attackers to read certain files via /Electron/download directory traversal. Files may have credentials, full backups, call recordings, and chat logs.
- 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
No PoCs found on GitHub currently.