---
id: CVE-2025-41251
title: VMware NSX contains a weak password recovery mechanism vulnerability
summary: "VMware NSX contains a weak password recovery mechanism vulnerability. An unauthenticated malicious actor may exploit this to enumerate valid usernames, potentially enabling brute-force attacks.\n\nImpact:\_Username enumeration → credential …"
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-640
published: '2025-09-29'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T09:10:00.213'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-41251'
references:
  - url: >-
      https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150
    label: security@vmware.com
tags:
  - nvd
epss: 0.00798
epssPercentile: 0.55198
ingestedAt: '2026-10-09T09:31:00.985Z'
---

## Overview

VMware NSX contains a weak password recovery mechanism vulnerability. An unauthenticated malicious actor may exploit this to enumerate valid usernames, potentially enabling brute-force attacks.

Impact: Username enumeration → credential brute force risk.
Attack Vector: Remote, unauthenticated.
Severity: Important.
CVSSv3: 8.1 (High).

Acknowledgments: Reported by the National Security Agency.

Affected Products:VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x

NSX-T 3.x
VMware Cloud Foundation (with NSX) 5.x, 4.5.x

Fixed Versions: NSX 9.0.1.0;  4.2.2.2/4.2.3.1 http://4.2.2.2/4.2.3.1 ; 4.1.2.7; NSX-T 3.2.4.3; CCF async patch (KB88287).
Workarounds: None.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.