CVE-2020-3966
7.5 · HIGHOverview
CVE-2020-3966 is a high-severity vulnerability affecting vmware cloud_foundation. It was published on June 25, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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 15.5.2), and Fusion (11.x before 11.5.2) contain a heap-overflow due to a race condition issue in the USB 2.0 controller (EHCI). A malicious actor with local access to a virtual machine may be able to exploit this vulnerability to execute code on the hypervisor from a virtual machine. Additional conditions beyond the attacker's control must be present for exploitation to be possible.
Remediation
Check the references section for vendor advisories and patches from vmware. Update cloud_foundation to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| vmware | cloud_foundation | >= 3.0, < 3.10 | Affected |
| vmware | fusion | >= 11.0.0, < 11.5.2 | Affected |
| vmware | workstation | >= 15.0.0, < 15.5.2 | Affected |
Frequently Asked Questions
What is CVE-2020-3966?
CVE-2020-3966 is a high-severity vulnerability affecting vmware cloud_foundation. It was published on June 25, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2020-3966?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2020-3966?
Check the references section for vendor advisories and patches from vmware. Update cloud_foundation to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-3966?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-3966 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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