VMware Tools 11.x / 12.x < 12.5.3 / 13.x < 13.0.1.0 vSockets Information Disclosure (VMSA-2025-0013)

medium Nessus Plugin ID 247827

Synopsis

The virtualization tool suite is installed on the remote Windows host is affected by an information disclosure vulnerability.

Description

The version of VMware Tools installed on the remote Windows host is 11.x, 12.x prior to 12.5.3, or 13.x prior to 13.0.1.0. It is, therefore, affected by an information disclosure vulnerbility:

- VMware ESXi, Workstation, Fusion, and VMware Tools contains an information disclosure vulnerability due to the usage of an uninitialised memory in vSockets. A malicious actor with local administrative privileges on a virtual machine may be able to exploit this issue to leak memory from processes communicating with vSockets. (CVE-2025-41239)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to VMware Tools version 12.5.3 or 13.0.1.0 or later.

See Also

http://www.nessus.org/u?98207605

Plugin Details

Severity: Medium

ID: 247827

File Name: vmware_tools_win_VMSA-2025-0013.nasl

Version: 1.1

Type: local

Agent: windows

Family: Windows

Published: 8/11/2025

Updated: 8/11/2025

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2025-41239

CVSS v3

Risk Factor: Medium

Base Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vulnerability Information

CPE: cpe:/a:vmware:tools

Required KB Items: SMB/Registry/Enumerated, installed_sw/VMware Tools

Patch Publication Date: 7/15/2025

Vulnerability Publication Date: 7/15/2025

Reference Information

CVE: CVE-2025-41239

VMSA: 2025-0013