Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-41251

Severity CVSS v4.0:
Pending analysis
Type:
CWE-640 Weak Password Recovery Mechanism for Forgotten Password
Publication date:
29/09/2025
Last modified:
29/09/2025

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.<br /> <br /> Impact: Username enumeration → credential brute force risk.<br /> Attack Vector: Remote, unauthenticated.<br /> Severity: Important.<br /> CVSSv3: 8.1 (High).<br /> <br /> Acknowledgments: Reported by the National Security Agency.<br /> <br /> Affected Products:VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x<br /> <br /> NSX-T 3.x<br /> VMware Cloud Foundation (with NSX) 5.x, 4.5.x<br /> <br /> 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).<br /> Workarounds: None.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.10
Severity 3.x
HIGH

References to Advisories, Solutions, and Tools