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CVE-2021-2000

Estado: ModificadaBaja (2.4)—

Vulnerability in the Unified Audit 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 SYS Account privilege with network access via Oracle Net to compromise Unified Audit. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Unified Audit accessible data. CVSS 3.1 Base Score 2.4 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/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-2021-2000",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-2000",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-26T17:55:52.140603Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert_us@oracle.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 2.4,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 0.9
      }
    ]
  },
  "affected": [
    {
      "source": "secalert_us@oracle.com",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "Database - Enterprise Edition",
          "versions": [
            {
              "status": "affected",
              "version": "12.1.0.2"
            },
            {
              "status": "affected",
              "version": "12.2.0.1"
            },
            {
              "status": "affected",
              "version": "18c"
            },
            {
              "status": "affected",
              "version": "19c"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-01-20T15:15:45.190",
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cpujan2021.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert_us@oracle.com"
    },
    {
      "url": "https://www.oracle.com/security-alerts/cpujan2021.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the Unified Audit 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 SYS Account privilege with network access via Oracle Net to compromise Unified Audit. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Unified Audit accessible data. CVSS 3.1 Base Score 2.4 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N)."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en el componente Unified Audit de Oracle Database Server. Las versiones compatibles que están afectadas son 12.1.0.2, 12.2.0.1, 18c y 19c. Una vulnerabilidad fácilmente explotable permite a un atacante muy privilegiado que tenga privilegio de Cuenta SYS con acceso de red por medio de Oracle Net comprometer a Unified Audit. Los ataques con éxito requieren la interacción humana de una persona diferente del atacante. Los ataques con éxito de esta vulnerabilidad pueden resultar en una actualización no autorizada, insertar o eliminar el acceso a algunos de los datos accesibles de Unified Audit. CVSS 3.1 Puntuación Base 2.4 (Impactos de la Integridad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N)"
    }
  ],
  "lastModified": "2026-06-17T03:48:35.140",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:database_server:12.1.0.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4F3D40B7-925C-413D-AFF3-60BF330D5BC2"
            },
            {
              "criteria": "cpe:2.3:a:oracle:database_server:12.2.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5C614BA7-7103-4ED7-ADD0-56064FE256A3"
            },
            {
              "criteria": "cpe:2.3:a:oracle:database_server:18c:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6833701E-5510-4180-9523-9CFD318DEE6A"
            },
            {
              "criteria": "cpe:2.3:a:oracle:database_server:19c:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B2204841-585F-40C7-A1D9-C34E612808CA"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert_us@oracle.com"
}