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CVE-2025-47871

Estado: AnalizadaMedia (5.4)—

Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly validate channel membership when retrieving playbook run metadata, allowing authenticated users who are playbook members but not channel members to access sensitive information about linked private channels including channel name, display name, and participant count through the run metadata API endpoint.

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)

Mattermost — Mattermost Server

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-47871",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-47871",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-06-30T20:48:35.741148Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "responsibledisclosure@mattermost.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "affectedData": [
        {
          "vendor": "Mattermost",
          "product": "Mattermost",
          "versions": [
            {
              "status": "affected",
              "version": "10.5.0",
              "versionType": "semver",
              "lessThanOrEqual": "10.5.5"
            },
            {
              "status": "affected",
              "version": "9.11.0",
              "versionType": "semver",
              "lessThanOrEqual": "9.11.15"
            },
            {
              "status": "affected",
              "version": "10.8.0"
            },
            {
              "status": "affected",
              "version": "10.7.0",
              "versionType": "semver",
              "lessThanOrEqual": "10.7.2"
            },
            {
              "status": "affected",
              "version": "10.6.0",
              "versionType": "semver",
              "lessThanOrEqual": "10.6.5"
            },
            {
              "status": "unaffected",
              "version": "10.9.0"
            },
            {
              "status": "unaffected",
              "version": "10.5.6"
            },
            {
              "status": "unaffected",
              "version": "9.11.16"
            },
            {
              "status": "unaffected",
              "version": "10.8.1"
            },
            {
              "status": "unaffected",
              "version": "10.7.3"
            },
            {
              "status": "unaffected",
              "version": "10.6.6"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-06-30T17:15:32.777",
  "references": [
    {
      "url": "https://mattermost.com/security-updates",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "responsibledisclosure@mattermost.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "responsibledisclosure@mattermost.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly validate channel membership when retrieving playbook run metadata, allowing authenticated users who are playbook members but not channel members to access sensitive information about linked private channels including channel name, display name, and participant count through the run metadata API endpoint."
    },
    {
      "lang": "es",
      "value": "Las versiones de Mattermost 10.5.x &lt;= 10.5.5, 9.11.x &lt;= 9.11.15, 10.8.x &lt;= 10.8.0, 10.7.x &lt;= 10.7.2, 10.6.x &lt;= 10.6.5 no pueden validar correctamente la membresía del canal al recuperar metadatos de ejecución del libro de estrategias, lo que permite que los usuarios autenticados que son miembros del libro de estrategias pero no miembros del canal accedan a información confidencial sobre canales privados vinculados, incluido el nombre del canal, el nombre para mostrar y el número de participantes a través del endpoint de la API de metadatos de ejecución."
    }
  ],
  "lastModified": "2026-06-17T09:28:47.160",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9CEF0379-7E63-452C-8084-067092A25D92",
              "versionEndExcluding": "9.11.16",
              "versionStartIncluding": "9.11.0"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "77EE1558-3E63-4178-90EB-DBC8F99B75AB",
              "versionEndExcluding": "10.5.6",
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            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5E1A952E-F96B-4D50-B8FD-7CAFFE73263F",
              "versionEndExcluding": "10.6.6",
              "versionStartIncluding": "10.6.0"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "28D55588-A52A-4ADD-AC90-A46BED4555A1",
              "versionEndExcluding": "10.7.3",
              "versionStartIncluding": "10.7.0"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:10.8.0:-:*:*:*:*:*:*",
              "vulnerable": true,
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            },
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              "criteria": "cpe:2.3:a:mattermost:mattermost_server:10.8.0:rc1:*:*:*:*:*:*",
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              "matchCriteriaId": "51CA3B67-FE72-49C2-97EA-D7D86F3991EE"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:10.8.0:rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8C4DBC6F-061B-4844-9E80-596D4890DA2A"
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:10.8.0:rc3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AA2C469A-7A94-4C55-9738-21C16B8C0817"
            }
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          "operator": "OR"
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  ],
  "sourceIdentifier": "responsibledisclosure@mattermost.com"
}