CVE Database›Document archive›CVE-2023-20867

CVE-2023-20867

open-vm-tools: authentication bypass vulnerability in the vgauth module

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Severity

Low

Red Hat Product Security

3.9

CVSS 3.1

Review impact separately from score.

Published · June 13, 2023

Updated · November 21, 2025

Description

A flaw was found in the open-vm-tools package. An attacker with root access privileges over ESXi may be able to cause an authentication bypass in the vgauth module. This may lead to compromised confidentiality and integrity.

Statement

Given the requirement that an attacker must have root access over ESXi to exploit the vulnerability, it is recommended to review access policies based on security best practices.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 3.9
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

CWE-287 · Improper Authentication