CVE-2025-41251

High

Description

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.

SeverityHigh
CVSS8.1
Exploit probability—
ProductNSX
PublishedSep 29, 2025
First seenSep 29, 2025
Weakness typeCWE-640CWE-640

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
vmware NSXVMware 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—

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