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CVE-2023-20867

VMware Tools Authentication Bypass Vulnerability

Published: Jun 13, 2023Updated: Oct 28, 2025 Sources: CVE List NVD BDUCWE-287
NVD MITRE
3.9CVSSLOW
EPSS Score
13.6%
Top 4.0%
CISA KEV
Active Exploitation
Since Jun 23, 2023
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:HPR:HUI:NS:CC:LI:LA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-287NVD-CWE-noinfo

Affected Products

VMware ToolsVMware
On-prem
Cloud & SaaS / virtualization
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
Альт 8 СПАО «ИВК»
On-premOS
Operating Systems / linux-distro
РОСА КобальтАО «НТЦ ИТ РОСА»
On-prem
Operating Systems / linux-distro
VMware ToolsBroadcom Inc.
Mixed
Cloud & SaaS / virtualization
vmwarecommercialUSCloud & SaaSaka vmware inc
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
ао «ивк»commercialRUOperating Systemsaka ivk
ао «нтц ит роса»commercialRUOperating Systems
broadcom inc.commercialUSCloud & SaaSaka vmware by broadcom
and 5 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Jun 23, 2023
Remediation due:Jul 14, 2023

Required action: Apply updates per vendor instructions.

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://www.vmware.com/security/advisories/VMSA-2023-0013.html
vmware.com
https://security.netapp.com/advisory/ntap-20230725-0001/
security.netapp.com
https://lists.debian.org/debian-lts-announce/2023/08/msg00020.html
lists.debian.org
and 14 more references View all →

Timeline

Published
Jun 13, 2023
Added to CISA KEV
Jun 23, 2023
Last Updated
Oct 28, 2025

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