# CVE-2025-41252

## Summary

- **CVE ID:** CVE-2025-41252
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
- **CWE:** CWE-203
- **Published:** Sep 29, 2025
- **Last Modified:** Mar 12, 2026

## Description

Description: VMware NSX contains a username enumeration vulnerability. An unauthenticated malicious actor may exploit this to enumerate valid usernames, potentially leading to unauthorized access attempts.


Impact: Username enumeration → facilitates unauthorized access.


Attack Vector: Remote, unauthenticated.


Severity: Important.


CVSSv3: 7.5 (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.

## Affected Products

- VMware — NSX (VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x)
- VMware — NSX (VMware NSX-T 3.x)
- VMware — NSX (VMware Cloud Foundation (with NSX) 5.x, 4.5.x)
- VMware — NSX (VMware NSX 9.0.1.0; 4.2.2.2/4.2.3.1; 4.1.2.7; NSX-T 3.2.4.3; CCF async patch (KB88287))

## References

- [CNA](https://https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.69%
- **EPSS Percentile:** 50.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._