CVE-2025-41251

published 2025-09-29

CVE-2025-41251: VMware NSX contains a weak password recovery mechanism vulnerability. An unauthenticated malicious actor may exploit this to enumerate valid usernames…

high 8.1 CVSS 3.1

AV N AC H PR N UI N S U C H I H A H

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
vmware	nsx	—	—
vmware	nsx	—	—
vmware	nsx	—	—

CWE-640