CVE-2020-4004
mediumpriority · track · 33EPSS 0.004 · 35 %ileEURUUSEPSS · scored 2026-10-27
VMware ESXi (7.0 before ESXi70U1b-17168206, 6.7 before ESXi670-202011101-SG, 6.5 before ESXi650-202011301-SG), Workstation (15.x before 15.5.7), Fusion (11.x before 11.5.7) contain a use-after-free vulnerability in the XHCI USB controller. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 4.6–9.3
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (19)
Products and version ranges known to be affected.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://media.cert.europa.eu/static/SecurityAdvisories/2020/CERT-EU-SA2020-057.pdfcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-4004cnnvd
- https://vigilance.fr/vulnerability/VMware-ESXi-Workstation-two-vulnerabilities-33945cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.4160/cnnvd
- https://www.vmware.com/security/advisories/VMSA-2020-0026.htmlcnnvd
- https://www.vmware.com/security/advisories/VMSA-2020-0026.htmlenisa_euvd
- https://www.vmware.com/security/advisories/VMSA-2020-0026.htmlPatchVendor Advisorynvd
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