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CVE-2025-32370

Estado: AnalizadaCrítica (9.8)—

Kentico Xperience before 13.0.178 has a specific set of allowed ContentUploader file extensions for unauthenticated uploads; however, because .zip is processed through TryZipProviderSafe, there is additional functionality to create files with other extensions. NOTE: this is a separate issue not necessarily related to SVG or XSS.

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.

AV:N/PR:N/UI:N permite explotación remota sin autenticación (T1190). Carga de ZIP con extensiones alternativas permite crear web shells (T1505.003) o ejecutar código arbitrario (T1059) en el servidor Kentico.

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 ManagementDisable or Remove Feature or ProgramVulnerability ScanningUser Account ManagementRestrict Web-Based ContentNetwork Segmentation

Tecnologías afectadas (1)

Kentico — Xperience

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-32370",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-32370",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-07T14:04:23.479233Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@mitre.org",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
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    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
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        {
          "vendor": "Kentico",
          "product": "Xperience",
          "versions": [
            {
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              "version": "0",
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  "published": "2025-04-06T07:15:40.970",
  "references": [
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      "url": "https://devnet.kentico.com/download/hotfixes",
      "tags": [
        "Release Notes"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://labs.watchtowr.com/xss-to-rce-by-abusing-custom-file-handlers-kentico-xperience-cms-cve-2025-2748/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://labs.watchtowr.com/xss-to-rce-by-abusing-custom-file-handlers-kentico-xperience-cms-cve-2025-2748/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@mitre.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-912"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Kentico Xperience before 13.0.178 has a specific set of allowed ContentUploader file extensions for unauthenticated uploads; however, because .zip is processed through TryZipProviderSafe, there is additional functionality to create files with other extensions. NOTE: this is a separate issue not necessarily related to SVG or XSS."
    },
    {
      "lang": "es",
      "value": "Kentico Xperience anterior a la versión 13.0.178 tiene un conjunto específico de extensiones de archivo ContentUploader permitidas para cargas no autenticadas. Sin embargo, dado que los archivos .zip se procesan mediante TryZipProviderSafe, existe una funcionalidad adicional para crear archivos con otras extensiones. NOTA: Este problema es independiente y no está necesariamente relacionado con SVG ni XSS."
    }
  ],
  "lastModified": "2026-06-17T09:11:53.423",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kentico:xperience:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "98D609C3-307D-4D49-9AAB-0AA4750FD786",
              "versionEndExcluding": "13.0.178"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}