FKIE_CVE-2025-41251
Vulnerability from fkie_nvd - Published: 2025-09-29 19:15 - Updated: 2026-10-09 09:10
Severity
Summary
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.
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",
"versionType": "custom"
},
{
"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)",
"versionType": "custom"
}
]
}
],
"source": "security@vmware.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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.\n\nImpact:\u00a0Username enumeration \u2192 credential brute force risk.\nAttack Vector:\u00a0Remote, unauthenticated.\nSeverity:\u00a0Important.\nCVSSv3:\u00a08.1 (High).\n\nAcknowledgments:\u00a0Reported by the National Security Agency.\n\nAffected Products:VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x\n\nNSX-T 3.x\nVMware Cloud Foundation (with NSX) 5.x, 4.5.x\n\nFixed 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).\nWorkarounds: None."
},
{
"lang": "es",
"value": "VMware NSX contiene una vulnerabilidad en el mecanismo de recuperaci\u00f3n de contrase\u00f1a d\u00e9bil. Un actor malicioso no autenticado puede explotar esto para enumerar nombres de usuario v\u00e1lidos, lo que podr\u00eda permitir ataques de fuerza bruta.\n\nImpacto: Enumeraci\u00f3n de nombres de usuario ? riesgo de fuerza bruta de credenciales.\nVector de ataque: Remoto, no autenticado.\nSeveridad: Importante.\nCVSSv3: 8.1 (Alta).\n\nAgradecimientos: Informado por la Agencia de Seguridad Nacional.\n\nProductos afectados: VMware NSX 9.x.x.x, 4.2.x, 4.1.x, 4.0.x\n\nNSX-T 3.x\nVMware Cloud Foundation (con NSX) 5.x, 4.5.x\n\nVersiones corregidas: 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).\nSoluciones alternativas: Ninguna."
}
],
"id": "CVE-2025-41251",
"lastModified": "2026-10-09T09:10:00.213",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 5.9,
"source": "security@vmware.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-41251",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-09-30T03:55:13.799400Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-09-29T19:15:35.157",
"references": [
{
"source": "security@vmware.com",
"url": "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-640"
}
],
"source": "security@vmware.com",
"type": "Secondary"
}
]
}
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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