CVE-2020-3961 Privilege escalation in VMware Horizon Client for Windows
A local attacker can exploit unsafe library loading and folder permissions in VMware Horizon Client to execute arbitrary code with elevated privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3961?
CVE-2020-3961 is a high-severity vulnerability in VMware Horizon Client for Windows, published on 15 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-732
Which versions are affected by CVE-2020-3961?
It affects 1 product.
Products include Vmware Horizon Client.
How do I fix CVE-2020-3961?
No fix has been published for CVE-2020-3961 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-3961 being exploited?
There is no known exploitation of CVE-2020-3961 in the wild and no public exploit code.
Other vulnerabilities in VMware Horizon Client for Windows
- CVE-2019-5543 Privilege escalation in VMware Horizon Client for Windows
- CVE-2018-6964 Privilege escalation in Horizon Client for Linux
- CVE-2020-3991 Path traversal in VMware Horizon Client for Windows
- CVE-2021-21987 Information disclosure in VMware Workstation Pro / Player (Workstation), VMware Horizon Client for Windows
- CVE-2021-21988 Information disclosure in VMware Workstation Pro / Player (Workstation), VMware Horizon Client for Windows
Sources
Also known as GHSA-g65w-8qv6-v378.