FKIE_CVE-2025-41252
Vulnerability from fkie_nvd - Published: 2025-09-29 19:15 - Updated: 2026-10-09 09:10
Severity
Summary
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.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "NSX",
"vendor": "VMware",
"versions": [
{
"status": "affected",
"version": "VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x",
"versionType": "custom"
},
{
"status": "affected",
"version": "VMware NSX-T 3.x",
"versionType": "custom"
},
{
"status": "affected",
"version": "VMware Cloud Foundation (with NSX) 5.x, 4.5.x"
},
{
"status": "unaffected",
"version": "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)"
}
]
}
],
"source": "security@vmware.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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.\n\n\nImpact: Username enumeration \u2192 facilitates unauthorized access.\n\n\nAttack Vector: Remote, unauthenticated.\n\n\nSeverity: Important.\n\n\nCVSSv3: 7.5 (High).\n\n\nAcknowledgments: Reported by the National Security Agency.\n\n\nAffected Products:\n\n\n\n * VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x\n\n * NSX-T 3.x\n\n * VMware Cloud Foundation (with NSX) 5.x, 4.5.x\n\n\n\n\n\n\n\n\n\n\n\n\nFixed Versions:\u00a0\n\n\n\n * 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).\n\n\n\n\n\n\nWorkarounds: None."
},
{
"lang": "es",
"value": "Descripci\u00f3n: VMware NSX contiene una vulnerabilidad de enumeraci\u00f3n de nombres de usuario. Un actor malicioso no autenticado puede explotar esto para enumerar nombres de usuario v\u00e1lidos, lo que podr\u00eda conducir a intentos de acceso no autorizados.\n\nImpacto: Enumeraci\u00f3n de nombres de usuario ? facilita el acceso no autorizado.\n\nVector de Ataque: Remoto, no autenticado.\n\nSeveridad: Importante.\n\nCVSSv3: 7.5 (Alta).\n\nAgradecimientos: Reportado por la Agencia de Seguridad Nacional.\n\nProductos Afectados:\n\n * VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x\n * NSX-T 3.x\n * VMware Cloud Foundation (con NSX) 5.x, 4.5.x\n\nVersiones Corregidas:\n\n * 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; parche as\u00edncrono de CCF (KB88287).\n\nSoluciones Temporales: Ninguna."
}
],
"id": "CVE-2025-41252",
"lastModified": "2026-10-09T09:10:00.213",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "security@vmware.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-41252",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-09-29T19:14:25.259914Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-09-29T19:15:35.317",
"references": [
{
"source": "security@vmware.com",
"url": "https://https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150"
}
],
"sourceIdentifier": "security@vmware.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-203"
}
],
"source": "security@vmware.com",
"type": "Secondary"
}
]
}
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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