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CVE-2025-41252

Username enumeration vulnerability

Published: Sep 29, 2025Updated: Sep 29, 2025 Sources: CVE List NVD BDUCWE-203
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.9%
Top 46.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Description: VMware NSX contains a username enumeration vulnerability. An unauthenticated malicious actor may exploit this to enumerate valid usernames, potentially leading to unauthorized access attempts. Impact: Username enumeration → facilitates unauthorized access. Attack Vector: Remote, unauthenticated. Severity: Important. CVSSv3: 7.5 (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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-203

Affected Products

VMware Cloud FoundationBroadcom Inc.
SaaSSaaS Service
Cloud & SaaS / cloud-platform
VMware NSXBroadcom Inc.
Mixed
Cloud & SaaS / virtualization
VMware NSX-TBroadcom Inc.
Mixed
Cloud & SaaS / virtualization
VMware Telco Cloud InfrastructureBroadcom Inc.
SaaSSaaS Service
Cloud & SaaS / cloud-platform
VMware Telco Cloud PlatformBroadcom Inc.
SaaSSaaS Service
Cloud & SaaS / cloud-platform
broadcom inc.commercialUSCloud & SaaSaka vmware by broadcom
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Discovery
View detailed technique mapping

References

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150
support.broadcom.com
https://https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150
https

Timeline

Published
Sep 29, 2025
Last Updated
Sep 29, 2025

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