RealVNC VNC Server/VNC Viewer on Windows MSI Installer Repair access control

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in RealVNC VNC Server and VNC Viewer on Windows and classified as critical. The affected element is an unknown function of the component MSI Installer Repair Handler. This manipulation causes access control. This vulnerability appears as CVE-2022-41975. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in RealVNC VNC Server and VNC Viewer on Windows (the affected version unknown) and classified as critical. Affected by this vulnerability is an unknown part of the component MSI Installer Repair Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

RealVNC VNC Server before 6.11.0 and VNC Viewer before 6.22.826 on Windows allow local privilege escalation via MSI installer Repair mode.

The weakness was presented 10/01/2022. The advisory is shared at help.realvnc.com. This vulnerability is known as CVE-2022-41975 since 09/30/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at help.realvnc.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: help.realvnc.com

Timelineinfo

09/30/2022 🔍
10/01/2022 +1 days 🔍
10/01/2022 +0 days 🔍
05/20/2025 +962 days 🔍

Sourcesinfo

Advisory: help.realvnc.com
Status: Confirmed

CVE: CVE-2022-41975 (🔍)
GCVE (CVE): GCVE-0-2022-41975
GCVE (VulDB): GCVE-100-210073

Entryinfo

Created: 10/01/2022 11:07
Updated: 05/20/2025 19:16
Changes: 10/01/2022 11:07 (40), 10/29/2022 12:04 (11), 05/20/2025 19:16 (15)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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