CVE-2023-20867
open-vm-tools: authentication bypass vulnerability in the vgauth module
Severity
LowRed Hat Product Security
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 · 3.9CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
CWE-287 · Improper Authentication