CVE-2020-3999

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

VMware ESXi (7.0 prior to ESXi70U1c-17325551), VMware Workstation (16.x prior to 16.0 and 15.x prior to 15.5.7), VMware Fusion (12.x prior to 12.0 and 11.x prior to 11.5.7) and VMware Cloud Foundation contain a denial of service vulnerability due to improper input validation in GuestInfo. A malicious actor with normal user privilege access to a virtual machine can crash the virtual machine's vmx process leading to a denial of service condition.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	VMware ESXi, VMware Workstation,VMware Fusion and VMware Cloud Foundation	VMware ESXi (7.0 prior to ESXi70U1c-17325551), VMware Workstation (16.x prior to 16.0 and 15.x prior to 15.5.7)and VMware Fusion (12.x prior to 12.0 and 11.x prior to 11.5.7)

References

https://www.vmware.com/security/advisories/VMSA-2020-0029.htmlPatch, Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2020-0029.htmlPatch, Vendor Advisory

Timeline

Published: Dec 21, 2020
Last modified: Jun 17, 2026
NVD status: Analyzed

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