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CVE-2020-0556

Estado: ModificadaAlta (7.1)—

Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to potentially enable escalation of privilege and denial of service via adjacent access

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 (4)

Bluez — BluezCanonical — Ubuntu LinuxDebian — Debian LinuxOpensuse — Leap

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2020-0556",
  "cveTags": [],
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          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.5,
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        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
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          "availabilityImpact": "LOW",
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          "confidentialityImpact": "LOW"
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  "affected": [
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      "affectedData": [
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          "versions": [
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  "weaknesses": [
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      "lang": "en",
      "value": "Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to potentially enable escalation of privilege and denial of service via adjacent access"
    },
    {
      "lang": "es",
      "value": "El control de acceso incorrecto en el subsistema para BlueZ anterior a la versión 5.54 puede permitir que un usuario no autenticado permita potencialmente la escalada de privilegios y la denegación de servicio a través del acceso adyacente"
    }
  ],
  "lastModified": "2026-06-17T02:46:03.657",
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}