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CVE-2020-2734

Estado: ModificadaBaja (2.4)—

Vulnerability in the RDBMS/Optimizer component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Execute on DBMS_SQLTUNE privilege with network access via Oracle Net to compromise RDBMS/Optimizer. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS/Optimizer accessible data. CVSS 3.0 Base Score 2.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N).

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)

Oracle — Database Server

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-2734",
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          "id": "CVE-2020-2734",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
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              "automatable": "no"
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2024-09-30T15:00:36.257893Z"
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          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
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          "confidentialityImpact": "PARTIAL"
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
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        "obtainOtherPrivilege": false,
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  "affected": [
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      "affectedData": [
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              "version": "12.1.0.2"
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  "published": "2020-04-15T14:15:22.920",
  "references": [
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      "url": "https://www.oracle.com/security-alerts/cpuapr2020.html",
      "tags": [
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      "source": "secalert_us@oracle.com"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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  "descriptions": [
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      "lang": "en",
      "value": "Vulnerability in the RDBMS/Optimizer component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Execute on DBMS_SQLTUNE privilege with network access via Oracle Net to compromise RDBMS/Optimizer. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS/Optimizer accessible data. CVSS 3.0 Base Score 2.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N)."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en el componente RDBMS/Optimizer de Oracle Database Server. Las versiones compatibles que están afectadas son 12.1.0.2, 12.2.0.1, 18c y 19c. Una vulnerabilidad explotable fácilmente permite a un atacante muy privilegiado tener el privilegio Execute on DBMS_SQLTUNE con acceso a la red por medio de Oracle Net para comprometer RDBMS/Optimizer. Los ataques con éxito requieren una interacción humana de una persona diferente del atacante. Los ataques con éxito de esta vulnerabilidad pueden resultar en un acceso de lectura no autorizado a un subconjunto de datos accesibles de RDBMS/Optimizer. CVSS 3.0 Puntuación Base 2.4 (Impactos de la confidencialidad). Vector CVSS: (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N)."
    }
  ],
  "lastModified": "2026-06-17T03:12:47.127",
  "configurations": [
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          "negate": false,
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