PT-2023-15816 · 3Cx · 3Cx

Published 2023-05-02 · Updated 2025-01-30 · CVE-2022-48483

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions 3CX versions prior to 18 Hotfix 1 build 18.0.3.461

Description The issue allows unauthenticated remote attackers to read files in the %WINDIR%system32 directory via directory traversal in the /Electron/download endpoint, specifically when using a path component with a drive letter and backslash characters.

Recommendations For versions prior to 18 Hotfix 1 build 18.0.3.461, update to version 18 Hotfix 1 build 18.0.3.461 or later to resolve the issue. As a temporary workaround, consider restricting access to the /Electron/download endpoint to minimize the risk of exploitation.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2022-48483

Affected Products

3Cx

References · 7

• 🔥 https://medium.com/@frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88 · Exploit
• https://osv.dev/vulnerability/CVE-2022-48483 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-48483 · Security Note
• https://t.me/cvenotify/109221 · Telegram Post
• https://t.me/cvenotify/50156 · Telegram Post
• https://medium.com/%40frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88 · Note
• https://3cx.com/blog/change-log/phone-system-change-log · Note