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CVE-2023-48732

Estado: ModificadaMedia (4.3)—

Mattermost fails to scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.

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)

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{
  "id": "CVE-2023-48732",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "ssvcData": {
          "id": "CVE-2023-48732",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-05-08T15:57:37.615693Z"
        }
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    ],
    "cvssMetricV31": [
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        "cvssData": {
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          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
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          "availabilityImpact": "NONE",
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  "published": "2024-01-02T10:15:08.487",
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      "tags": [
        "Vendor Advisory"
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    },
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      "url": "https://mattermost.com/security-updates",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "responsibledisclosure@mattermost.com",
      "description": [
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          "value": "CWE-200"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost fails to scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.\n\n"
    },
    {
      "lang": "es",
      "value": "Mattermost no logra abarcar la respuesta de WebSocket en torno a los usuarios notificados para cada usuario por separado, lo que hace que WebSocket transmita la información sobre quién fue notificado sobre una publicación a todos los demás en el canal."
    }
  ],
  "lastModified": "2026-06-17T06:34:51.360",
  "configurations": [
    {
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              "versionEndExcluding": "8.1.7"
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  "sourceIdentifier": "responsibledisclosure@mattermost.com"
}