CVE-2020-3971

moderate-risk

Published 2020-06-25

VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201907101-SG), Workstation (15.x before 15.0.2), and Fusion (11.x before 11.0.2) contain a heap overflow vulnerability in the vmxnet3 virtual network adapter. A malicious actor with local access to a virtual machine with a vmxnet3 network adapter present may be able to read privileged information contained in physical memory.

Do I need to act?

0.04% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (20)

Cloud Foundation

Fusion

Workstation

Esxi

Affected Vendors

Vmware

References (2)

Vendor Advisory https://www.vmware.com/security/advisories/VMSA-2020-0015.html

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moderate-risk

Severity 18/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 30/34 · Critical