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CVE-2024-8071

Estado: AnalizadaAlta (7.2)—

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to restrict which roles can promote a user as system admin which allows a System Role with edit access to the permissions section of system console to update their role (e.g. member) to include the `manage_system` permission, effectively becoming a System Admin.

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

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-8071",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-8071",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-08-22T13:16:11.392151Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "responsibledisclosure@mattermost.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.7,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
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        "exploitabilityScore": 1.2
      },
      {
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        "source": "nvd@nist.gov",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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          "userInteraction": "NONE",
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          "availabilityImpact": "HIGH",
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          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 1.2
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  "affected": [
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          "vendor": "Mattermost",
          "product": "Mattermost",
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              "versionType": "semver",
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              "version": "9.5.0",
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            },
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              "version": "9.11.0"
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              "status": "unaffected",
              "version": "9.9.2"
            },
            {
              "status": "unaffected",
              "version": "9.5.8"
            },
            {
              "status": "unaffected",
              "version": "9.10.1"
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            {
              "status": "unaffected",
              "version": "9.8.3"
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          "defaultStatus": "unaffected"
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  "published": "2024-08-22T07:15:04.830",
  "references": [
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      "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-284"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to restrict which roles can promote a user as system admin which allows a System Role with edit access to the permissions section of system console to update their role (e.g. member) to include the `manage_system` permission, effectively becoming a System Admin."
    },
    {
      "lang": "es",
      "value": "Las versiones de Mattermost 9.9.x &lt;= 9.9.1, 9.5.x &lt;= 9.5.7, 9.10.x &lt;= 9.10.0 y 9.8.x &lt;= 9.8.2 no restringen qué roles pueden promover a un usuario como administrador del sistema y cuáles permite que una función del sistema con acceso de edición a la sección de permisos de la consola del sistema actualice su función (por ejemplo, miembro) para incluir el permiso `manage_system`, convirtiéndose efectivamente en un administrador del sistema."
    }
  ],
  "lastModified": "2026-06-17T08:21:48.543",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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}