CVE-2020-3950 VMware Multiple Products Privilege Escalation

Exploited in the wild High 7.8 Published Updated

Attackers with normal user privileges can escalate to root on systems running VMware Fusion, VMRC, or Horizon Client for Mac due to improper setuid binary usage.

Exploited in the wild
Since 3 Nov 2021
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-3950?

CVE-2020-3950 is a high-severity vulnerability in Vmware Fusion, published on 17 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

VMware Fusion (11.x before 11.5.2), VMware Remote Console for Mac (11.x and prior before 11.0.1) and Horizon Client for Mac (5.x and prior before 5.4.0) contain a privilege escalation vulnerability due to improper use of setuid binaries. Successful exploitation of this issue may allow attackers with normal user privileges to escalate their privileges to root on the system where Fusion, VMRC or Horizon Client is installed.

Weakness: CWE-269

Which versions are affected by CVE-2020-3950?

It affects 3 products.

Products include Vmware Fusion, Vmware Horizon Client, Vmware Remote Console.

How do I fix CVE-2020-3950?

No fix has been published for CVE-2020-3950 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.

Is CVE-2020-3950 being exploited?

Yes. Attackers have exploited CVE-2020-3950 in the wild since at least 3 Nov 2021.

Public exploit code: 1 Metasploit module and 3 Exploit-DB entries.

All Vmware Fusion vulnerabilities

Sources

Also known as GHSA-fx3w-hj7j-hfgf.

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