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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| VMware | NSX | VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x, VMware NSX-T 3.x, VMware Cloud Foundation (with NSX) 5.x, 4.5.x | 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) |
Advisories 2
- NCSC-2025-0301 Kwetsbaarheden verholpen in VMware NSX NCSC-NL (Netherlands) · Sep 30, 2025
- WID-SEC-2025-2155 VMware Cloud Foundation, vSphere, vCenter Server und NSX: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 29, 2025