CVE-2022-48483: 3cx

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

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.

Affected products

• 3cx 3cx: before 18.0.3.461 (fixed in 18.0.3.461)

Published 2023-05-02. Last modified 2026-06-17.