CVE-2020-3947

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-03-16 · updated 2026-06-17
Weakness: CWE-416

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.

Affected products

VMware Fusion: from 11.0.0 (excl.) before 11.5.2 — fixed in 11.5.2
VMware Workstation: from 15.0.0 before 15.5.2 — fixed in 15.5.2
VMware Fusion: 11.x before 11.5.2
VMware Workstation: 15.x before 15.5.2

How to fix

Upgrade to a fixed version: VMware Fusion 11.5.2; VMware Workstation 15.5.2. Check the vendor advisory for mitigations.

References

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