CVE-2023-29059 json
3CX DesktopApp through 18.12.416 has embedded malicious code, as exploited in the wild in March 2023.
published 2023-03-30 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32662
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.4%
- EPSS 4.4% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
4.37% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- fortinet.com https://www.fortinet.com/blog/threat-research/3cx-desktop-app-compromised referenced PoC, tagged "exploit" by a source, unverified
- huntress.com https://www.huntress.com/blog/3cx-voip-software-compromise-supply-chain-threats referenced PoC, tagged "exploit" by a source, unverified
- crowdstrike.com https://www.crowdstrike.com/blog/crowdstrike-detects-and-prevents-active-intrusion-campaign-targeting-3cxdesktopapp-customers/ referenced PoC, tagged "exploit" by a source, unverified
- news.sophos.com https://news.sophos.com/en-us/2023/03/29/3cx-dll-sideloading-attack/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
-
fortinet.com
/blog/threat-research/3cx-desktop-app-compromised
exploit, third-party-advisory
-
huntress.com
/blog/3cx-voip-software-compromise-supply-chain-threats
exploit, third-party-advisory
-
crowdstrike.com
/blog/crowdstrike-detects-and-prevents-active-intrusion-campaign-targeting-3cxdesktopapp-customers/
exploit, third-party-advisory
-
news.sophos.com
/en-us/2023/03/29/3cx-dll-sideloading-attack/
exploit, technical-description, third-party-advisory
-
3cx.com
/blog/news/desktopapp-security-alert/
vendor-advisory
-
cwe.mitre.org
/data/definitions/506.html
technical-description
Sources
- CVE List CVE-2023-29059
- NVD CVE-2023-29059
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.