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CVE-2025-49147

Estado: AnalizadaMedia (5.3)—

Umbraco, a free and open source .NET content management system, has a vulnerability in versions 10.0.0 through 10.8.10 and 13.0.0 through 13.9.1. Via a request to an anonymously authenticated endpoint it's possible to retrieve information about the configured password requirements. The information available is limited but would perhaps give some additional detail useful for someone attempting to brute force derive a user's password. This information was not exposed in Umbraco 7 or 8, nor in 14 or higher versions. The vulnerability is patched in versions 10.8.11 and 13.9.2.

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).

Tecnologías afectadas (1)

Umbraco — Umbraco CMS

CWE

Referencias

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{
  "id": "CVE-2025-49147",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-49147",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-06-24T18:08:37.159141Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "umbraco",
          "product": "Umbraco-CMS",
          "versions": [
            {
              "status": "affected",
              "version": ">= 10.0.0, < 10.8.111"
            },
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              "version": ">= 13.0.0, < 13.9.2"
            }
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  "published": "2025-06-24T18:15:25.247",
  "references": [
    {
      "url": "https://github.com/umbraco/Umbraco-CMS/commit/b4144564c836ec6929111ce2a12eb1f67b42d61e",
      "tags": [
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      "source": "security-advisories@github.com"
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    {
      "url": "https://github.com/umbraco/Umbraco-CMS/commit/d8f68d2c40f8e158bd81d469f25ef3a4e1d86c4c",
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      "tags": [
        "Patch",
        "Third Party Advisory"
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      "source": "security-advisories@github.com"
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-497"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Umbraco, a free and open source .NET content management system, has a vulnerability in versions 10.0.0 through 10.8.10 and 13.0.0 through 13.9.1. Via a request to an anonymously authenticated endpoint it's possible to retrieve information about the configured password requirements. The information available is limited but would perhaps give some additional detail useful for someone attempting to brute force derive a user's password. This information was not exposed in Umbraco 7 or 8, nor in 14 or higher versions. The vulnerability is patched in versions 10.8.11 and 13.9.2."
    },
    {
      "lang": "es",
      "value": "Umbraco, un sistema de gestión de contenido .NET gratuito y de código abierto, presenta una vulnerabilidad en las versiones 10.0.0 a 10.8.10 y 13.0.0 a 13.9.1. Mediante una solicitud a un endpoint autenticado anónimamente, es posible obtener información sobre los requisitos de contraseña configurados. La información disponible es limitada, pero podría proporcionar información adicional útil para quienes intenten obtener la contraseña de un usuario mediante fuerza bruta. Esta información no se expuso en Umbraco 7 ni 8, ni en la versión 14 o posteriores. La vulnerabilidad está corregida en las versiones 10.8.11 y 13.9.2."
    }
  ],
  "lastModified": "2026-06-17T09:30:49.677",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "82E06128-A359-4BF5-90B5-5A2283066F21",
              "versionEndExcluding": "10.8.11",
              "versionStartIncluding": "10.0.0"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "16DFCAF2-D009-4583-83B5-FFEF85A510E6",
              "versionEndExcluding": "13.9.2",
              "versionStartIncluding": "13.0.0"
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          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "security-advisories@github.com"
}