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TI-2020-03446 Aliases CVE-2020-3947GHSA-mxvf-68x6-jqvh

Use after free in VMware Workstation

Priority LOW 39CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

VMware Workstation (15.x before 15.5.2) and Fusion (11.x before 11.5.2) contain a use-after vulnerability in vmnetdhcp. Successful exploitation of this issue may lead to code execution on the host from the guest or may allow attackers to create a denial-of-service condition of the vmnetdhcp service running on the host machine.

Why it matters now

EPSS 0.00612 49th percentileScored 2026-11-07
Fix Fixed Workstation (VMware): 15.5.2Fusion (VMware): 11.5.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
VMwareWorkstation15 to before 15.5.215.5.2Patch availableCNA
VMwareFusion11 to before 11.5.211.5.2Patch availableCNA
  • Workstation VendorVMware Affected 15 to before 15.5.2 Fixed in 15.5.2 Patch available CNA
  • Fusion VendorVMware Affected 11 to before 11.5.2 Fixed in 11.5.2 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*after 11.0.0, before 11.5.2VulnerableVMware
cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*15.0.0 to before 15.5.2VulnerableVMware
  • cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:* Versions after 11.0.0, before 11.5.2 Vulnerable ·VMware
  • cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:* Versions 15.0.0 to before 15.5.2 Vulnerable ·VMware

Remediation

  • Fix · CNA Workstation (VMware) Fixed in 15.5.2
  • Fix · CNA Fusion (VMware) Fixed in 11.5.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-3947
  2. 2026-10-03 Alias added: GHSA-mxvf-68x6-jqvh

References

Advisory 1

  • TI-2020-03448 Improper privilege management in VMware Fusion, VMware Remote Console for Mac and Horizon… KEVCVSS 3.1HIGH 7.8
  • TI-2025-16137 Out-of-bounds read in ESXi KEVCVSS 3.1HIGH 7.1
  • TI-2017-03716 Observable discrepancy in Intel Most Modern Operating Systems CVSS 3.1MEDIUM 5.6
  • TI-2017-03034 Memory corruption in VMware Workstation Pro/Player CVSS 3.0CRITICAL 9.9
  • TI-2016-04622 Untrusted search path vulnerability in the HGFS (aka Shared Folders) feature in VMware… CVSS 3.1HIGH 7.8
  • TI-2011-03420 Buffer overflow in VMware Workstation 7.x before 7.1.5, VMware Player 3.x before 3.1.5… CVSS 2.0HIGH 9.3
See all 130 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences