Vulnerability in VMware Cloud Foundation
CVE-2020-3966
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.
Vulnerability class: Race Condition
EPSS: 0.004 (29.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Vmware Cloud_foundation
- Vmware Esxi — versions 6.5, 6.7, 7.0.0
- Vmware Fusion — versions 11.x before 11.5.2
- Vmware Esxi — versions 7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202004101-SG, 6.5 before ESXi650-202005401-SG
- Vmware Workstation — versions 15.x before 15.5.2
Weakness classification (CWE)
References
- security@vmware.com (x_refsource_CONFIRM, Vendor Advisory)
- security@vmware.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-3966?
- CVE-2020-3966 is a high-severity vulnerability in VMware Cloud Foundation, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2020-06-25.
- How severe is CVE-2020-3966?
- High severity. CVSS v3 base score is 7.5 out of 10.