CVE-2023-20867VMware Tools Authentication Bypass Vulnerability

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.

3.9 LOWEPSS 13.63%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 05:31 UTC

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
3.9	LOW	3.1vmware (CNA)	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

CISA required action

⚡ Known exploited · remediation due Jul 14, 2023

Apply updates per vendor instructions.

Details

CVE ID: CVE-2023-20867
Status: Analyzed
Assigner (CNA): vmware
Published: Jun 13, 2023
Last modified: 2026-06-17 05:31 UTC
Weaknesses: CWE-287 · Improper Authentication

Sources

NVD
CVE.org
CISA KEV
FIRST EPSS

Refreshed hourly from the sources above. Last fetched 2026-11-08 14:43 UTC.