CVE-2020-3974 Privilege escalation in VMware Fusion, VMware Remote Console for Mac and Horizon Client for Mac

What is CVE-2020-3974?

CVE-2020-3974 is a high-severity vulnerability in Vmware Fusion, published on 10 Jul 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 11.5.5), VMware Remote Console for Mac (11.x and prior before 11.2.0 ) and Horizon Client for Mac (5.x and prior before 5.4.3) contain a privilege escalation vulnerability due to improper XPC Client validation. Successful exploitation of this issue may allow attackers with normal user privileges to escalate their privileges to root on the system where Fusion, VMware Remote Console for Mac or Horizon Client for Mac is installed.

Which versions are affected by CVE-2020-3974?

It affects 3 products.

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

How do I fix CVE-2020-3974?

No fix has been published for CVE-2020-3974 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-3974 being exploited?

There is no known exploitation of CVE-2020-3974 in the wild and no public exploit code.

Other vulnerabilities in Vmware Fusion

• CVE-2020-3950 VMware Multiple Products Privilege Escalation Exploited High 7.8
• CVE-2017-4901 Memory corruption in Fusion Pro / Fusion Critical 9.9
• CVE-2024-22267 Use after free in VMware Fusion Critical 9.3
• CVE-2019-5541 Memory corruption in Workstation and Fusion Critical 9.1
• CVE-2024-38811 Code-execution vulnerability High 8.8

All Vmware Fusion vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2752-84hq-w9hq.