CVE-2020-3947

Name: CVE-2020-3947
Creator: NVD / NIST
Published: 2020-03-16T18:15:12.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2020-3947 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. VMware Workstation (15.x before 15.5.2) and Fusion (11.x before 11.5.2) contain a use-after vulnerability in vmnetdhcp. Successful exploitation of this issue may lead to code execution on the host from the guest or may allow attackers to create a denial-of-service condition of the vmnetdhcp service running on the host machine.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

VMware Workstation (15.x before 15.5.2) and Fusion (11.x before 11.5.2) contain a use-after vulnerability in vmnetdhcp. Successful exploitation of this issue may lead to code execution on the host from the guest or may allow attackers to create a denial-of-service condition of the vmnetdhcp service running on the host machine.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

0.64%

45.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Vmware	Fusion	> 11.0.0, < 11.5.2
Vmware	Workstation	>= 15.0.0, < 15.5.2

References

https://www.vmware.com/security/advisories/VMSA-2020-0004.htmlVendor Advisory
https://www.vmware.com/security/advisories/VMSA-2020-0004.htmlVendor Advisory

Timeline

Published: Mar 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3947?

How severe is CVE-2020-3947?

CVE-2020-3947 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3947?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3947?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST