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Vulnerability record · CVE-2023-29059 · published 30 March 2023

CVE-2023-29059: 3cx vulnerability

3cx · 3cx

3CX DesktopApp through 18.12.416 has embedded malicious code, as exploited in the wild in March 2023. This affects versions 18.12.407 and 18.12.416 of the 3CX DesktopApp Electron Windows application shipped in Update 7, and versions 18.11.1213, 18.12.402, 18.12.407, and 18.12.416 of the 3CX DesktopApp Electron macOS application.

7.8 CVSS 3.1 High EPSS 4.4% · top 9.1%
7.8CVSS 3.1 base score
4.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 8 tagged exploit
17 Jun 2026Last modified by NVD

Description

3CX DesktopApp through 18.12.416 has embedded malicious code, as exploited in the wild in March 2023. This affects versions 18.12.407 and 18.12.416 of the 3CX DesktopApp Electron Windows application shipped in Update 7, and versions 18.11.1213, 18.12.402, 18.12.407, and 18.12.416 of the 3CX DesktopApp Electron macOS application.

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

Affected products

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

References

LinkTags
https://cwe.mitre.org/data/definitions/506.html Technical Description
https://news.sophos.com/en-us/2023/03/29/3cx-dll-sideloading-attack/ ExploitTechnical DescriptionThird Party Advisory
https://www.3cx.com/blog/news/desktopapp-security-alert/ Vendor Advisory
https://www.crowdstrike.com/blog/crowdstrike-detects-and-prevents-active-intrusion-campaign-targeting-3cxdesktopapp-cust ExploitThird Party Advisory
https://www.fortinet.com/blog/threat-research/3cx-desktop-app-compromised ExploitThird Party Advisory
https://www.huntress.com/blog/3cx-voip-software-compromise-supply-chain-threats ExploitThird Party Advisory
https://cwe.mitre.org/data/definitions/506.html Technical Description
https://news.sophos.com/en-us/2023/03/29/3cx-dll-sideloading-attack/ ExploitTechnical DescriptionThird Party Advisory
https://www.3cx.com/blog/news/desktopapp-security-alert/ Vendor Advisory
https://www.crowdstrike.com/blog/crowdstrike-detects-and-prevents-active-intrusion-campaign-targeting-3cxdesktopapp-cust ExploitThird Party Advisory
https://www.fortinet.com/blog/threat-research/3cx-desktop-app-compromised ExploitThird Party Advisory
https://www.huntress.com/blog/3cx-voip-software-compromise-supply-chain-threats ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2023-499543cx sql injection vulnerabilityThe CRM Integration in 3CX before 18.0.9.23 and 20 before 20.0.0.1494 allows SQL Injection via a first name, search string, or email address.EPSS 2.2%9.8CVE-2022-280053cx insufficiently protected credentials vulnerabilityAn issue was discovered in the 3CX Phone System Management Console prior to version 18 Update 3 FINAL. An unauthenticated attacker could abuse improp…EPSS 6.7%9.1CVE-2021-454903cx improper certificate validation vulnerabilityThe client applications in 3CX on Windows, the 3CX app for iOS, and the 3CX application for Android through 2022-03-17 lack SSL certificate validatio…EPSS 1.1%7.8CVE-2023-273623cx uncontrolled search path element vulnerability3CX Uncontrolled Search Path Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected i…EPSS 0.38%7.8CVE-2019-149353cx incorrect permission assignment vulnerability3CX Phone 15 on Windows has insecure permissions on the "%PROGRAMDATA%\3CXPhone for Windows\PhoneApp" installation directory, allowing Full Control a…EPSS 0.37%7.5CVE-2022-484833cx path traversal vulnerability3CX before 18 Hotfix 1 build 18.0.3.461 on Windows allows unauthenticated remote attackers to read %WINDIR%\system32 files via /Electron/download dir…EPSS 1.7%7.5CVE-2022-484823cx path traversal vulnerability3CX before 18 Update 2 Security Hotfix build 18.0.2.315 on Windows allows unauthenticated remote attackers to read certain files via /Electron/downlo…EPSS 1.8%7.5CVE-2019-131763cx xml external entity (xxe) vulnerabilityAn issue was discovered in the 3CX Phone system (web) management console 12.5.44178.1002 through 12.5 SP2. The Content.MainForm.wgx component is affe…EPSS 2.5%

Source: NIST National Vulnerability Database (record CVE-2023-29059), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.