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CVE-2023-21827

Estado: ModificadaMedia (4.3)—

Vulnerability in the Oracle Database Data Redaction component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Oracle Database Data Redaction. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Database Data Redaction accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2023-21827",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2023-21827",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
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          "version": "2.0.3",
          "timestamp": "2024-09-17T14:03:52.520827Z"
        }
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    "cvssMetricV31": [
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        "source": "secalert_us@oracle.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "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",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
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  "affected": [
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      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "Database - Enterprise Edition",
          "versions": [
            {
              "status": "affected",
              "version": "19c"
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            {
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              "version": "21c"
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  "published": "2023-01-18T00:15:12.660",
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cpujan2023.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
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      "source": "secalert_us@oracle.com"
    },
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      "url": "https://www.oracle.com/security-alerts/cpujan2023.html",
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  "vulnStatus": "Modified",
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      "description": [
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the Oracle Database Data Redaction component of Oracle Database Server.  Supported versions that are affected are 19c and  21c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Oracle Database Data Redaction.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Oracle Database Data Redaction accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en el componente de redacción de datos de la base de datos Oracle de Oracle Database Server. Las versiones compatibles que se ven afectadas son 19c y 21c. Una vulnerabilidad fácilmente explotable permite que un atacante con pocos privilegios y privilegios de Crear sesión con acceso a la red a través de Oracle Net comprometa la redacción de datos de la base de datos Oracle. Los ataques exitosos de esta vulnerabilidad pueden resultar en acceso de lectura no autorizado a un subconjunto de datos accesibles de Oracle Database Data Redaction. CVSS 3.1 Puntaje base 4.3 (Impactos en la confidencialidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)."
    }
  ],
  "lastModified": "2026-06-17T05:34:05.940",
  "configurations": [
    {
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  "sourceIdentifier": "secalert_us@oracle.com"
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