CVE-2020-4004: VMware Cloud Foundation

High severity, CVSS 8.2. EPSS: 0.4% chance of exploitation in the next 30 days.

VMware ESXi (7.0 before ESXi70U1b-17168206, 6.7 before ESXi670-202011101-SG, 6.5 before ESXi650-202011301-SG), Workstation (15.x before 15.5.7), Fusion (11.x before 11.5.7) contain a use-after-free vulnerability in the XHCI USB controller. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.

Affected products

• VMware Cloud Foundation: from 3.0, before 3.10.1.2 (fixed in 3.10.1.2); from 4.0, before 4.1.0.1 (fixed in 4.1.0.1)
• VMware ESXi: version 6.5 only; version 6.7 only; version 7.0 only
• VMware Fusion: from 11.0, before 11.5.7 (fixed in 11.5.7)
• VMware Workstation: from 15.0.0, before 15.5.7 (fixed in 15.5.7)

Published 2020-11-20. Last modified 2026-06-17.