CVE-2023-20867 - CVE House
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Status published Low CVE-2023-20867

VMware Tools Authentication Bypass Vulnerability

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

VMware Tools
Vulnerable Versions:
12.2.5

Timeline

Official Publish: June 13th, 2023
Last Modified: October 21st, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-287

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1556 Modify Authentication Process
Credential Access