High · published September 29, 2025
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.