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CVE-2020-3961

HIGH
7.8
CVSS Score
Published: June 15, 2020 at 03:18 PM UTC
Updated: June 17, 2026 at 03:19 AM UTC
1 product affected across 1 vendorHorizon Client· also runs on 1 platform

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Severity
HIGH7.8
Exploit prediction
EPSS 0.4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Horizon Client· VMware
95%
v < 5.4.3
Affected range stops below 5.4.3, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.vmware.com/security/advisories/VMSA-2020-0013.html

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-732

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