CVE-2025-41251

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.