CVE-2026-47343

Estado: AplazadaAlta (7.2)—

Non-privileged backend users with file mount access were able to perform write operations (move, delete, rename) on folders representing the root of an active file mount due to missing authorization restrictions. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0 through 11.5.50, 12.0.0 through 12.4.45, 13.0.0 through 13.4.30, and 14.0.0 through 14.3.2.

CVSS

Versión: 4.0
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Puntuación base: 7.2

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.41%
Percentil entre todas las CVEs puntuadas: 33
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 principalT1565 Data Manipulationimpact80 %
Impacto secundarioT1078 Valid Accountsstealth · persistence · privilege escalation · initial access70 %

Acceso remoto autenticado (PR:L) en servicio backend TYPO3 sin interacción de usuario. Impacto: modificación/eliminación de archivos (T1565) y potencial abuso de permisos de montaje (T1078).

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 Network Segmentation Application Developer Guidance Active Directory Configuration Vulnerability Scanning User Training

Tecnologías afectadas (1)

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

Typo3 — CMS^AI

CWE

CWE-862

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2026-47343",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-47343",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-06-09T12:53:19.826062Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 7.2,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "LOW",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
      "affectedData": [
        {
          "repo": "https://github.com/TYPO3/typo3",
          "vendor": "TYPO3",
          "modules": [
            "File Abstraction Layer"
          ],
          "product": "TYPO3 CMS",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "10.4.57",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "11.0.0",
              "lessThan": "11.5.51",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "12.0.0",
              "lessThan": "12.4.46",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "13.0.0",
              "lessThan": "13.4.31",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "14.0.0",
              "lessThan": "14.3.3",
              "versionType": "semver"
            }
          ],
          "packageName": "typo3/cms-core",
          "collectionURL": "https://packagist.org",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-06-09T11:16:52.193",
  "references": [
    {
      "url": "https://github.com/TYPO3/typo3/commit/504e72470ff72aaf5d2256878bf473747f389798",
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a"
    },
    {
      "url": "https://github.com/TYPO3/typo3/commit/ac4125aef8b9b94528a7f74db2444db57b05a87b",
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a"
    },
    {
      "url": "https://typo3.org/security/advisory/typo3-core-sa-2026-007",
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Non-privileged backend users with file mount access were able to perform write operations (move, delete, rename) on folders representing the root of an active file mount due to missing authorization restrictions. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0 through 11.5.50, 12.0.0 through 12.4.45, 13.0.0 through 13.4.30, and 14.0.0 through 14.3.2."
    },
    {
      "lang": "es",
      "value": "Usuarios de backend no privilegiados con acceso a montajes de archivos pudieron realizar operaciones de escritura (mover, eliminar, renombrar) en carpetas que representaban la raíz de un montaje de archivos activo debido a la falta de restricciones de autorización. Este problema afecta a las versiones de TYPO3 CMS anteriores a la 10.4.57, de la 11.0.0 a la 11.5.50, de la 12.0.0 a la 12.4.45, de la 13.0.0 a la 13.4.30, y de la 14.0.0 a la 14.3.2."
    }
  ],
  "lastModified": "2026-07-23T08:10:00.137",
  "sourceIdentifier": "f4fb688c-4412-4426-b4b8-421ecf27b14a"
}