CVE-2020-3958: VMware ESXi

Medium severity, CVSS 5.5. EPSS: 0.5% chance of exploitation in the next 30 days.

VMware ESXi (6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), VMware Workstation (15.x before 15.5.2) and VMware Fusion (11.x before 11.5.2) contain a denial-of-service vulnerability in the shader functionality. Successful exploitation of this issue may allow attackers with non-administrative access to a virtual machine to crash the virtual machine's vmx process leading to a denial of service condition.

Affected products

• VMware ESXi: version 6.5 only; version 6.7 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 2020-05-29. Last modified 2026-06-17.