CVE-2020-3991

HIGH

VMware Horizon Client 5.0.0-5.4.x - Denial of Service via Symbolic Link Attack

Title source: llm
STIX 2.1

Description

VMware Horizon Client for Windows (5.x before 5.5.0) contains a denial-of-service vulnerability due to a file system access control issue during install time. Successful exploitation of this issue may allow an attacker to overwrite certain admin privileged files through a symbolic link attack at install time. This will result into a denial-of-service condition on the machine where Horizon Client for Windows is installed.

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://www.vmware.com/security/advisories/VMSA-2020-0022.html

Scores

CVSS v3 7.1
EPSS 0.0004
EPSS Percentile 11.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Details

Status published
Products (1)
vmware/horizon_client 5.0.0 - 5.5.0
Published Oct 16, 2020
Tracked Since Feb 18, 2026