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CVE-2021-37937

Estado: ModificadaAlta (8.8)—

An issue was found with how API keys are created with the Fleet-Server service account. When an API key is created with a service account, it is possible that the API key could be created with higher privileges than intended. Using this vulnerability, a compromised Fleet-Server service account could escalate themselves to a super-user.

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)

Elastic — Elasticsearch

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-37937",
  "cveTags": [],
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        "type": "Secondary",
        "source": "security@elastic.co",
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          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
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          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
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      },
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  "affected": [
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      "affectedData": [
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  "published": "2023-11-22T02:15:42.043",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "security@elastic.co",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
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          "value": "NVD-CWE-noinfo"
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  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was found with how API keys are created with the Fleet-Server service account. When an API key is created with a service account, it is possible that the API key could be created with higher privileges than intended. Using this vulnerability, a compromised Fleet-Server service account could escalate themselves to a super-user."
    },
    {
      "lang": "es",
      "value": "Se encontró un problema con la forma en que se crean las claves API con la cuenta de servicio Fleet-Server. Cuando se crea una clave API con una cuenta de servicio, es posible que la clave API se cree con privilegios más altos de los previstos. Al utilizar esta vulnerabilidad, una cuenta de servicio Fleet-Server comprometida podría convertirse en superusuario."
    }
  ],
  "lastModified": "2026-06-17T04:01:17.170",
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