VMware Tools for Windows update addresses an authentication bypass vulnerability (CVE-2025-22230)

VMware Tools for Windows update addresses an authentication bypass vulnerability (CVE-2025-22230)

VMware released security advisory VMSA-2025-0005 with High severity affecting VMware Tools for Windows.

The fix is available in VMware Tools v12.5.1 for Windows available in the VSS-Windows Content Library as Item VMware_Tools_for_Windows_12.5.1.24649672 (see Windows section below).

How-To Remediate

Windows

ITS Private Cloud CLI

  1. Mount the VMware Tools ISO VMware_Tools_for_Windows_12.5.1.24649672 with the vss-cli:

    vss-cli compute vm set <id> cd up --backing VMware_Tools_for_Windows_12.5.1.24649672 1
  2. Proceed with the installation in the OS.

ITS Private Cloud Portal

  1. Login to the https://cloud-portal.eis.utoronto.ca

  2. Look for your VM and click on the Edit button.

  3. Mount the VMWare Tools ISO VMware_Tools_for_Windows_12.5.1.24649672.

  4. Proceed with the installation in the OS.

References

University of Toronto - Since 1827