CVE-2024-42049

TightVNC 2.8.83 - Control Pipe Manipulation

Severity Score

9.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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

TightVNC version 2.8.83 suffers from a control pipe manipulation vulnerability.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-07-28 CVE Reserved
2024-07-28 CVE Published
2024-08-02 CVE Updated
2025-06-08 First Exploit
2025-06-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (5)

URL	Tag	Source
https://sourceforge.net/p/vnc-tight/bugs/1629
https://www.tightvnc.com/whatsnew.php

URL	Date	SRC
https://packetstorm.news/files/id/200693	2025-06-09
https://www.exploit-db.com/exploits/52322	2025-06-09
https://github.com/zeved/CVE-2024-42049-PoC	2025-06-08

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Tightvnc Search vendor "Tightvnc"		Tightvnc Search vendor "Tightvnc" for product "Tightvnc"				*		-		Affected