CVE-2020-3971
Last modified
CVE-2020-3971 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vmware | Cloud Foundation | >= 3.0, < 3.7.2 |
| Vmware | Fusion | >= 11.0.0, < 11.0.2 |
| Vmware | Workstation | >= 15.0.0, < 15.0.2 |
| Vmware | Esxi | 6.5 |
| Vmware | Esxi | 6.7 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-3971?
How severe is CVE-2020-3971?
How do I fix CVE-2020-3971?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-3965VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before…5.5
- CVE-2020-3966VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before…7.5
- CVE-2020-3967VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before…7.5
- CVE-2020-3968VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before…8.2
- CVE-2020-3969VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before…7.8
- CVE-2020-3970VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before…3.8
- CVE-2020-3972VMware Tools for macOS (11.x.x and prior before 11.1.1) cont…3.3
- CVE-2020-3973The VeloCloud Orchestrator does not apply correct input vali…8.8
- CVE-2020-3974VMware Fusion (11.x before 11.5.5), VMware Remote Console fo…7.8
- CVE-2020-3975VMware App Volumes 2.x prior to 2.18.6 and VMware App Volume…5.4
- CVE-2020-3976VMware ESXi and vCenter Server contain a partial denial of s…5.3
- CVE-2020-3977VMware Horizon DaaS (7.x and 8.x before 8.0.1 Update 1) cont…6.5
Are you affected by CVE-2020-3971?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
