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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.

PUBLISHED Reserved 2025-04-16 | Published 2025-09-29 | Updated 2025-09-29 | Assigner vmware




HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem types

CWE-203 Observable Discrepancy

Product status

Default status
unaffected

VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x
affected

VMware NSX-T 3.x
affected

VMware Cloud Foundation (with NSX) 5.x, 4.5.x
affected

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

References

https/...ation/-/external/content/SecurityAdvisories/0/36150

cve.org (CVE-2025-41252)

nvd.nist.gov (CVE-2025-41252)

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