vulnerability

VMware VMware Tools: CVE-2023-20867: VMware Tools update addresses Authentication Bypass vulnerability

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Severity

CVSS

(AV:L/AC:M/Au:M/C:P/I:P/A:N)

Published

Jun 11, 2023

Added

Jun 3, 2025

Modified

Apr 15, 2026

Description

VMware Tools contains an Authentication Bypass vulnerability in the vgauth module. A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine.

Solution

vmware-tools-upgrade-latest

References

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/23675
https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-25040
CVE-2023-20867
https://attackerkb.com/topics/CVE-2023-20867
CWE-287
EUVD-EUVD-2023-25040

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