« Volver al listado

CVE-2025-41252

Estado: AplazadaAlta (7.5)—

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:

Fixed Versions:

Workarounds: None.

Detalles técnicos trazas, registros y código del informe original
  *  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

  *  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).

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vulnerabilidad remota sin autenticación que enumera nombres de usuario válidos (CWE-203), facilitando ataques de acceso no autorizado. Vector CVSS AV:N/PR:N/UI:N confirma T1190.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Vulnerability ScanningPrivileged Account ManagementPassword PoliciesNetwork SegmentationMulti-factor AuthenticationLimit Access to Resource Over Network

Tecnologías afectadas (3)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Vmware — Cloud FoundationAIVmware — NSXAIVmware — Nsx-tAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-41252",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-41252",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-09-29T19:14:25.259914Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@vmware.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@vmware.com",
      "affectedData": [
        {
          "vendor": "VMware",
          "product": "NSX",
          "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)"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-09-29T19:15:35.317",
  "references": [
    {
      "url": "https://https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150",
      "source": "security@vmware.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@vmware.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ]
    }
  ],
  "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 → 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: \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."
    }
  ],
  "lastModified": "2026-06-17T09:22:40.600",
  "sourceIdentifier": "security@vmware.com"
}