CVE-2020-3995

MEDIUM

VMware ESXi - Memory Leak via VMCI Host Drivers

Title source: llm
STIX 2.1

Description

In VMware ESXi (6.7 before ESXi670-201908101-SG, 6.5 before ESXi650-202007101-SG), Workstation (15.x before 15.1.0), Fusion (11.x before 11.1.0), the VMCI host drivers used by VMware hypervisors contain a memory leak vulnerability. A malicious actor with access to a virtual machine may be able to trigger a memory leak issue resulting in memory resource exhaustion on the hypervisor if the attack is sustained for extended periods of time.

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://www.vmware.com/security/advisories/VMSA-2020-0023.html

Scores

CVSS v3 5.3
EPSS 0.0031
EPSS Percentile 54.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (2)
vmware/cloud_foundation 3.0 - 3.9
vmware/esxi 6.7 (49 CPE variants)
Published Oct 20, 2020
Tracked Since Feb 18, 2026