VMware Horizon Client up to 5.4.2 on Windows Folder Permission privileges management

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability was found in VMware Horizon Client up to 5.4.2 on Windows and classified as critical. Affected by this issue is an unknown function of the component Folder Permission. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

VMware Horizon Client for Windows (prior to 5.4.3) contains a privilege escalation vulnerability due to folder permission configuration and unsafe loading of libraries. A local user on the system where the software is installed may exploit this issue to run commands as any user.

The weakness was presented 06/15/2020 (Website). The advisory is available at vmware.com. This vulnerability is handled as CVE-2020-3961 since 12/30/2019. Local access is required to approach this attack. The successful exploitation requires a simple authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 5.4.3 eliminates this vulnerability.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

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: Horizon Client 5.4.3

Timelineinfo

12/30/2019 🔍
06/15/2020 +168 days 🔍
06/16/2020 +1 days 🔍
06/16/2020 +0 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: vmware.com
Status: Not defined

CVE: CVE-2020-3961 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20060413

Entryinfo

Created: 06/16/2020 11:56
Updated: 06/16/2020 12:01
Changes: 06/16/2020 11:56 (40), 06/16/2020 12:01 (17)
Complete: 🔍

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