CVE-2020-3971 - CVE House
Back to Database
Status published Medium CVE-2020-3971

VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201907101-SG), Workstation...

Vulnerability Description

VMware ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201907101-SG), Workstation (15.x before 15.0.2), and Fusion (11.x before 11.0.2) contain a heap overflow vulnerability in the vmxnet3 virtual network adapter. A malicious actor with local access to a virtual machine with a vmxnet3 network adapter present may be able to read privileged information contained in physical memory.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-3971

Credits & Attribution

No credits recorded in the NVD database.

References

More from VMware

View All →
CVE-2025-41254
Spring Framework STOMP CSRF Vulnerability
Medium 4.3
CVE-2025-41253
Spring Cloud Gateway Webflux SpEL Injection Vulnerability Allowing Exposure of Environment Variables
High 7.5
CVE-2025-41252
Username enumeration vulnerability
High 7.5
CVE-2025-41250
Header injection vulnerability
High 8.5
CVE-2025-41249
CVE-2025-41249: Spring Framework Annotation Detection Vulnerability
High 7.5

Affected Vendor

Affected Software

VMware ESXi, Workstation, Fusion
Vulnerable Versions:
6.7 before ESXi670-201904101-SG, 6.5 before ESXi650-201907101-SG, 15.x before 15.0.2, 11.x before 11.0.2

Timeline

Official Publish: June 25th, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.