CVE-2025-3091

Estado: AplazadaAlta (7.5)—

An low privileged remote attacker in possession of the second factor for another user can login as that user without knowledge of the other user`s password.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.38%
Percentil entre todas las CVEs puntuadas: 29
Fecha de la puntuación: 5/10/2026

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.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement75 %
Impacto principalT1078.001 Default Accountsstealth · persistence · privilege escalation · initial access80 %
Impacto secundarioT1556 Modify Authentication Processdefense impairment · persistence · credential access70 %

Acceso remoto con privilegios (PR:L) a servicio de autenticación; impacto principal es acceso a cuenta ajena (T1078.001) mediante factores secundos; secundario es manipulación de autenticación multifactor (T1556).

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

Privileged Account Management Password Policies Multi-factor Authentication Vulnerability Scanning User Account Management Threat Intelligence Program

CWE

CWE-639

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2025-3091",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-3091",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-06-24T13:55:50.726894Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "info@cert.vde.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "info@cert.vde.com",
      "affectedData": [
        {
          "vendor": "MB connect line",
          "product": "mbCONNECT24",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2.16.5",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "MB connect line",
          "product": "mymbCONNECT24",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2.18.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "MB connect line",
          "product": "mymbCONNECT24",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2.18.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "MB connect line",
          "product": "mymbCONNECT24",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2.16.5",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Helmholz",
          "product": "myREX24",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2.18.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Helmholz",
          "product": "myREX24",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2.16.5",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Helmholz",
          "product": "myREX24.virtual",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2.18.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Helmholz",
          "product": "myREX24.virtual",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2.16.5",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-06-24T09:15:25.190",
  "references": [
    {
      "url": "https://certvde.com/en/advisories/VDE-2025-035",
      "source": "info@cert.vde.com"
    },
    {
      "url": "https://certvde.com/en/advisories/VDE-2025-038",
      "source": "info@cert.vde.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "info@cert.vde.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An low privileged remote attacker in possession of the second factor for another user can login as that user without knowledge of the other user`s password."
    },
    {
      "lang": "es",
      "value": "Un atacante remoto con pocos privilegios en posesión del segundo factor de otro usuario puede iniciar sesión como ese usuario sin conocer la contraseña del otro usuario."
    }
  ],
  "lastModified": "2026-06-17T09:19:10.517",
  "sourceIdentifier": "info@cert.vde.com"
}