CVE-2023-29059
CVE-2023-29059 is a high-severity vulnerability in 3cx with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 4% (90th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: 3cx
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-29059?
- 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.
- How severe is CVE-2023-29059?
- CVE-2023-29059 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-29059 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-29059?
- CVE-2023-29059 primarily affects 3cx. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-29059?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-29059 published?
- CVE-2023-29059 was published on 2023-03-30 and last updated on 2026-06-17.
References
- https://cwe.mitre.org/data/definitions/506.html
- https://news.sophos.com/en-us/2023/03/29/3cx-dll-sideloading-attack/
- https://www.3cx.com/blog/news/desktopapp-security-alert/
- https://www.crowdstrike.com/blog/crowdstrike-detects-and-prevents-active-intrusion-campaign-targeting-3cxdesktopapp-customers/
- https://www.fortinet.com/blog/threat-research/3cx-desktop-app-compromised
- https://www.huntress.com/blog/3cx-voip-software-compromise-supply-chain-threats
Affected products (6)
- cpe:2.3:a:3cx:3cx:18.11.1213:*:*:*:*:macos:*:*
- cpe:2.3:a:3cx:3cx:18.12.402:*:*:*:*:macos:*:*
- cpe:2.3:a:3cx:3cx:18.12.407:*:*:*:*:macos:*:*
- cpe:2.3:a:3cx:3cx:18.12.407:*:*:*:*:windows:*:*
- cpe:2.3:a:3cx:3cx:18.12.416:*:*:*:*:macos:*:*
- cpe:2.3:a:3cx:3cx:18.12.416:*:*:*:*:windows:*:*
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