{
  "id": "CVE-2024-39777",
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "published": "2024-08-01T15:15:12.370",
  "lastModified": "2024-08-23T14:36:48.817",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow\u00a0unsolicited invites to expose access to local channels, when shared channels are enabled,\u00a0which allows a malicious\u00a0remote to send an invite with the ID of an existing local channel, and that local channel will then become shared without the consent of the local admin."
    },
    {
      "lang": "es",
      "value": " Las versiones de Mattermost 9.9.x &lt;= 9.9.0, 9.5.x &lt;= 9.5.6, 9.7.x &lt;= 9.7.5 y 9.8.x &lt;= 9.8.1 no permiten invitaciones no solicitadas para exponer el acceso a canales locales, cuando los canales compartidos est\u00e1n habilitados, lo que permite que un control remoto malicioso env\u00ede una invitaci\u00f3n con el ID de un canal local existente, y ese canal local se compartir\u00e1 sin el consentimiento del administrador local."
    }
  ],
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        "type": "Secondary",
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          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
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        "exploitabilityScore": 2.3,
        "impactScore": 5.8
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          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
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        "impactScore": 5.8
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      "type": "Secondary",
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  "references": [
    {
      "url": "https://mattermost.com/security-updates",
      "source": "responsibledisclosure@mattermost.com",
      "tags": [
        "Vendor Advisory"
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}