1. Impacted Products
- VMware Horizon Client for Windows
A privilege escalation vulnerability affecting VMware Horizon Client for Windows was privately reported to VMware. Updates are available to address this vulnerability in affected VMware products.
3. VMware Horizon Client for Windows privilege escalation vulnerability
VMware Horizon Client for Windows contains a privilege escalation vulnerability due to folder permission configuration and unsafe loading of libraries. VMware has evaluated the severity of this issue to be in the Important severity range with a maximum CVSSv3 base score of 8.4.
Known Attack Vectors
A local user on the system where the software is installed may exploit this issue to run commands as any user.
To remediate CVE-2020-3961 apply the patches listed in the 'Fixed Version' column of the 'Response Matrix' below.
VMware would like to thank Nuttakorn Tungpoonsup and Ammarit Thongthua of Secure D Center Research Team, Secure D Center Co.,Ltd. and Cybersecurity Researcher, Sittikorn Sangrattanapitak for reporting this issue to us.
|Product||Version||Running On||CVE Identifier||CVSSv3||Severity||Fixed Version||Workarounds||Additional Documentation|
Horizon Client for Windows
5.x and prior
Fixed Version(s) and Release Notes:
VMware Horizon Client 5.4.3
Downloads and Documentation:
Mitre CVE Dictionary Links:
FIRST CVSSv3 Calculator:
5. Change Log
Initial security advisory.
E-mail list for product security notifications and announcements:
This Security Advisory is posted to the following lists:
PGP key at:
VMware Security Advisories
VMware Security Response Policy
VMware Lifecycle Support Phases
VMware Security & Compliance Blog
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