VMware Tools up to 12.2 improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in VMware Tools. It has been declared as critical. The affected element is an unknown function. The manipulation results in improper authentication. This vulnerability was named CVE-2023-20867. The attack needs to be approached locally. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in VMware Tools. It has been classified as problematic. Affected is some unknown processing. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was presented 06/13/2023 as VMSA-2023-0013. The advisory is shared for download at vmware.com. This vulnerability is traded as CVE-2023-20867 since 11/01/2022. Technical details are unknown but an exploit is available.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 292731 (MiracleLinux 9 : open-vm-tools-12.1.5-1.el9.1 (AXSA:2023-6173:04)), which helps to determine the existence of the flaw in a target environment. This issue was added on 06/23/2023 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 07/14/2023:

Apply updates per vendor instructions.

Upgrading to version 12.2.5 eliminates this vulnerability. The upgrade is hosted for download at customerconnect.vmware.com.

The vulnerability is also documented in the databases at Zero-Day.cz (778) and Tenable (292731). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.9
NVD Vector: 🔍

CNA Base Score: 3.9
CNA Vector (VMware): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 292731
Nessus Name: MiracleLinux 9 : open-vm-tools-12.1.5-1.el9.1 (AXSA:2023-6173:04)

Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tools 12.2.5

Timelineinfo

11/01/2022 🔍
06/13/2023 +223 days 🔍
06/13/2023 +0 days 🔍
01/21/2026 +953 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: VMSA-2023-0013
Status: Confirmed

CVE: CVE-2023-20867 (🔍)
GCVE (CVE): GCVE-0-2023-20867
GCVE (VulDB): GCVE-100-231468
scip Labs: https://www.scip.ch/en/?labs.20060413

Entryinfo

Created: 06/13/2023 21:21
Updated: 01/21/2026 07:41
Changes: 06/13/2023 21:21 (50), 04/28/2024 20:59 (26), 06/10/2024 17:28 (3), 06/28/2024 02:28 (12), 09/28/2024 14:50 (1), 01/21/2026 07:41 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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