TightVNC up to 2.8.83 on Windows Control Pipe privilege escalation

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in TightVNC up to 2.8.83 on Windows. This impacts an unknown function of the component Control Pipe Handler. Performing a manipulation results in an unknown weakness. This vulnerability is cataloged as CVE-2024-42049. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in TightVNC up to 2.8.83 on Windows. It has been classified as problematic. This affects some unknown functionality of the component Control Pipe Handler. The impact remains unknown. The summary by CVE is:

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

The advisory is shared at tightvnc.com. This vulnerability is uniquely identified as CVE-2024-42049 since 07/28/2024. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 2.8.84 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (52322). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

TightVNC

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TightVNC 2.8.84

Timelineinfo

07/28/2024 🔍
07/28/2024 +0 days 🔍
07/28/2024 +0 days 🔍
06/10/2025 +317 days 🔍

Sourcesinfo

Advisory: tightvnc.com
Status: Confirmed

CVE: CVE-2024-42049 (🔍)
GCVE (CVE): GCVE-0-2024-42049
GCVE (VulDB): GCVE-100-272589
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/28/2024 07:08
Updated: 06/10/2025 14:05
Changes: 07/28/2024 07:08 (53), 07/30/2024 15:25 (1), 06/10/2025 14:05 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.