Input validation error in VMware Horizon Client - CVE-2020-3991
Published: October 16, 2020 / Updated: October 20, 2020
Vulnerability identifier: #VU47736
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3991
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a file system access control issue during install timet. A local user can overwrite certain admin privileged files through a symbolic link attack at install time and cause a denial of service condition.
Affected software
VMware Horizon Client
How to mitigate CVE-2020-3991
Install updates from vendor's website.
VMware Horizon Client - update to 5.5.0