CVE-2020-3970: VMware Cloud Foundation

Low severity, CVSS 3.8. EPSS: 0.4% chance of exploitation in the next 30 days.

VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.5), and Fusion (11.x before 11.5.5) contain an out-of-bounds read vulnerability in the Shader functionality. A malicious actor with non-administrative local access to a virtual machine with 3D graphics enabled may be able to exploit this vulnerability to crash the virtual machine's vmx process leading to a partial denial of service condition.

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 11.5.5 (fixed in 11.5.5)
• VMware Workstation: from 15.0.0, before 15.5.5 (fixed in 15.5.5)

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