CVE-2020-4005 Privilege escalation in VMware ESXi

High 7.8 Published Updated

A malicious actor with VMX process privileges can escalate privileges on VMware ESXi hosts when chained with another vulnerability.

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-2020-4005?

CVE-2020-4005 is a high-severity vulnerability in Vmware Cloud Foundation, published on 20 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

VMware ESXi (7.0 before ESXi70U1b-17168206, 6.7 before ESXi670-202011101-SG, 6.5 before ESXi650-202011301-SG) contains a privilege-escalation vulnerability that exists in the way certain system calls are being managed. A malicious actor with privileges within the VMX process only, may escalate their privileges on the affected system. Successful exploitation of this issue is only possible when chained with another vulnerability (e.g. CVE-2020-4004)

Which versions are affected by CVE-2020-4005?

It affects 2 products.

Products include Vmware Cloud Foundation, Vmware Esxi.

How do I fix CVE-2020-4005?

No fix has been published for CVE-2020-4005 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-4005 being exploited?

There is no known exploitation of CVE-2020-4005 in the wild and no public exploit code.

All Vmware Cloud Foundation vulnerabilities

Sources

Also known as GHSA-f537-rwg7-cjw7.

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