Home/CVE/3CX DesktopApp through 18.12.416 has embedded malicious code, as exploited in the wild in March 2023. This affects versi
CVE

CVE-2023-29059

3CX DesktopApp through 18.12.416 has embedded malicious code, as exploited in the wild in March 2023. This affects versi

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.

HIGH · CVSS 7.8 EPSS 0.00502
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules10 YARA rules0
◆

Threat Actors Linked

2
actorLazarus Group
actorVice Society / Vanilla Tempest
▤

Affected Products & Versions

1
3cxall versions
⚠

Public Exploits & PoCs

4
pocnews.sophos.com · 3cx-dll-sideloading-attacknews.sophos.com
pocwww.crowdstrike.com · crowdstrike-detects-and-prevents-active-intrusion-campaig...www.crowdstrike.com
pocwww.fortinet.com · 3cx-desktop-app-compromisedwww.fortinet.com
pocwww.huntress.com · 3cx-voip-software-compromise-supply-chain-threatswww.huntress.com
◈

Sigma Hunt Rules

10
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
relatedcriticalBitbucket Unauthorized Full Data Export Triggered
relatedcriticalBitbucket Unauthorized Access To A Resource
relatedcriticalAntivirus Exploitation Framework Detection
relatedcriticalAntivirus Password Dumper Detection
relatedcriticalAntivirus Ransomware Detection
relatedcriticalWebshell Remote Command Execution
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Mar 2023 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
splunk-security-content553d0429-1a1c-44bf-b3f5-a8513deb9ee5
splunk-security-contentf2cc1584-46ee-485b-b905-977c067f36de
splunk-security-content791b727c-deec-4fbe-a732-756131b3c5a1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cwe.mitre.org/data/definitions/506.htmlTechnical Description
https://www.3cx.com/blog/news/desktopapp-security-alert/Vendor Advisory
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