CVE-2020-3961

Name: CVE-2020-3961
Creator: NVD / NIST
Published: 2020-06-15T16:15:22.927+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2020-3961 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.37%

29.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions
Vmware	Horizon Client	< 5.4.3

References

https://www.vmware.com/security/advisories/VMSA-2020-0013.htmlVendor Advisory
https://www.vmware.com/security/advisories/VMSA-2020-0013.htmlVendor Advisory

Timeline

Published: Jun 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3961?

How severe is CVE-2020-3961?

CVE-2020-3961 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3961?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3961?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST