CVE-2020-3964: VMware Cloud Foundation

Medium severity, CVSS 4.7. EPSS: 0.5% chance of exploitation in the next 30 days.

VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202006401-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.2), and Fusion (11.x before 11.5.2) contain an information leak in the EHCI USB controller. A malicious actor with local access to a virtual machine may be able to read privileged information contained in the hypervisor's memory. Additional conditions beyond the attacker's control need to be present for exploitation to be possible.

Affected products

• VMware Cloud Foundation: from 3.0, before 3.10 (fixed in 3.10); from 4.0.0, before 4.0.1 (fixed in 4.0.1)
• VMware ESXi: version 6.5 only; version 6.7 only; version 7.0.0 only
• VMware Fusion: from 11.0.0, before 11.5.2 (fixed in 11.5.2)
• VMware Workstation: from 15.0.0, before 15.5.2 (fixed in 15.5.2)

Published 2020-06-25. Last modified 2026-06-17.