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CVE-2023-45223

Estado: ModificadaMedia (4.3)—

Mattermost no valida correctamente la opción "Mostrar nombre completo" en algunos endpoint de los tableros de Mattermost, lo que permite a un miembro obtener el nombre completo de otro usuario incluso si la opción Show Full Name estaba deshabilitada.

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-2023-45223",
  "cveTags": [],
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        "type": "Secondary",
        "source": "responsibledisclosure@mattermost.com",
        "cvssData": {
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          "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:L/I:N/A:N",
          "integrityImpact": "NONE",
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  "affected": [
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      "affectedData": [
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          "product": "Mattermost",
          "versions": [
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  "published": "2023-11-27T10:15:07.840",
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  "vulnStatus": "Modified",
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      "description": [
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  "descriptions": [
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      "lang": "en",
      "value": "Mattermost fails to properly validate the \"Show Full Name\" option in a few endpoints in Mattermost Boards, allowing a member to get the full name of another user even if the Show Full Name option was disabled. \n\n"
    },
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    }
  ],
  "lastModified": "2026-06-17T06:28:28.700",
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