Denial of service in VMware ESXi, Workstation and Fusion

Published: 2020-05-29
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-3959
Exploitation vector Local
Public exploit N/A
Vulnerable software
VMware ESXi
Operating systems & Components / Operating system

VMware Workstation
Client/Desktop applications / Virtualization software

VMware Fusion
Client/Desktop applications / Virtualization software

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory leak

EUVDB-ID: #VU28339

Risk: Low


CVE-ID: CVE-2020-3959


Exploit availability:


The vulnerability allows a local user to perform denial of service (DoS) attack on the target system.

The vulnerability exists due memory leak in the VMCI module. A local user can force the application to leak memory and perform denial of service attack.


Install updates from vendor's website.

Vulnerable software versions

VMware ESXi: 6.5 - 6.7

VMware Workstation: 15.0.0 - 15.0.4

VMware Fusion: 11.0.0 - 11.0.3

Fixed software versions

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?