CVE-2020-3960 Information disclosure in VMware ESXi, Workstation, and Fusion

High 8.4 Published Updated

A local attacker with non-administrative access to a VM can read privileged physical memory information via an out-of-bounds read in NVMe functionality.

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-2020-3960?

CVE-2020-3960 is a high-severity vulnerability in Vmware Fusion, published on 15 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

VMware ESXi (6.7 before ESXi670-202006401-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.5), and Fusion (11.x before 11.5.5) contain an out-of-bounds read vulnerability in NVMe functionality. A malicious actor with local non-administrative access to a virtual machine with a virtual NVMe controller present may be able to read privileged information contained in physical memory.

Weakness: CWE-125

Which versions are affected by CVE-2020-3960?

It affects 3 products.

Products include Vmware Fusion, Vmware Vsphere Esxi, Vmware Workstation.

How do I fix CVE-2020-3960?

No fix has been published for CVE-2020-3960 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-3960 being exploited?

There is no known exploitation of CVE-2020-3960 in the wild and no public exploit code.

All Vmware Fusion vulnerabilities

Sources

Also known as GHSA-74wg-mhc3-jxp5.

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