Use-After-Free Vulnerability in VMware ESXi, Workstation, and Fusion
CVE-2020-4004

8.2HIGH

Key Information:

Vendor

Vmware
Status
Vmware Esxi
Workstation
Fusion
Vendor
CVE Published:
20 November 2020

What is CVE-2020-4004?

A use-after-free vulnerability exists in the XHCI USB controller of VMware products, allowing attackers with local administrative privileges on a virtual machine to execute arbitrary code in the context of the VMX process on the host. This could lead to unauthorized actions within the virtual machine environment, posing a significant security risk to affected VMware installations. Proper updates and patches are required to mitigate the risk associated with this vulnerability.

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Deploy the Patch

Affected Version(s)

Fusion 11.x before 11.5.7

VMware ESXi 7.0 before ESXi70U1b-17168206

VMware ESXi 6.7 before ESXi670-202011101-SG

References

https://www.vmware.com/security/advisories/VMSA-2020-0026...
x_refsource_CONFIRM

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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