CVE-2020-3968

HIGH

VMware ESXi 6.5-7.0, Workstation 15.x, Fusion 11.x - Out-of-bounds Write in USB 3.0 Controller

Title source: llm
STIX 2.1

Description

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 write vulnerability in the USB 3.0 controller (xHCI). A malicious actor with local administrative privileges on a virtual machine may be able to exploit this issue to crash the virtual machine's vmx process leading to a denial of service condition or execute code on the hypervisor from a virtual machine. Additional conditions beyond the attacker's control must be present for exploitation to be possible.

References (2)

Core 2
Core References
Third Party Advisory x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-781/

Scores

CVSS v3 8.2
EPSS 0.0003
EPSS Percentile 9.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (2)
vmware/cloud_foundation 3.0 - 3.10
vmware/esxi 6.5 (49 CPE variants)
Published Jun 25, 2020
Tracked Since Feb 18, 2026