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Vulnerability record · CVE-2022-48483 · published 2 May 2023

CVE-2022-48483: 3cx path traversal vulnerability

3cx · 3cx

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.

7.5 CVSS 3.1 High EPSS 1.7% · top 24.2% CWE-22 · Path traversal
7.5CVSS 3.1 base score
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://medium.com/%40frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88
https://www.3cx.com/blog/change-log/phone-system-change-log/ Release Notes
https://medium.com/%40frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88
https://www.3cx.com/blog/change-log/phone-system-change-log/ Release Notes

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-48483), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.