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CVE-2024-42049

CriticalPublished

TightVNC (Server for Windows) before 2.8.84 allows attackers to connect to the control pipe via a network connection.

Published: Jul 28, 2024
Updated: Aug 2, 2024
Assigning CNA: mitre
Evidence observed: Jun 9, 2025

Primary CVSS

9.1/ 10Critical

nvd · CVSS 3.1

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

EPSS probability estimate

2.1%

Low · next 30 days

Percentile: 81.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

TightVNC (Server for Windows) before 2.8.84 allows attackers to connect to the control pipe via a network connection.

Sources

CVE-2024-42049-PoCPoC
PoC for CVE-2024-42049
TightVNC 2.8.83 - Control Pipe ManipulationExploit
Ionut Zevedei · multiple · Jun 9, 2025

Responsible use

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