CVE-2025-41251

Weak password recovery vulnerability

HIGH
8.1
CVSS Score
Published: September 29, 2025 at 06:45 PM UTC
Updated: October 9, 2026 at 09:10 AM UTC
1 product affected across 1 vendorNSX

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Severity
HIGH8.1
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

3.x4.0.x4.1.x4.2.x9.x.x.xVMware Cloud Foundation (with NSX) - 5.x, 4.5.xVMware NSX - 9.x.x.x, 4.2.x, 4.1.x, 4.0.xVMware NSX-T - 3.x
Vendor states this is fixed in VMware NSX 9.0.1.0; 4.2.2.2/4.2.3.1; 4.1.2.7; NSX-T 3.2.4.3; CCF async patch (KB88287) (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHvmware
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-640

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