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CVE-2020-14878

Estado: ModificadaAlta (8)—

Vulnerabilidad en el producto MySQL Server de Oracle MySQL (componente: Server: Security: LDAP Auth). Las versiones compatibles que están afectadas son 8.0.21 y anteriores. Una vulnerabilidad explotable fácilmente permite a un atacante con pocos privilegios acceder al segmento de comunicación física conectado al hardware donde se ejecuta MySQL Server para comprometer a MySQL Server. Los ataques con éxito de esta vulnerabilidad pueden resultar en la toma de control de MySQL Server. CVSS 3.1 Puntuación Base 8.0 (Impactos de la Confidencialidad, Integridad y Disponibilidad). Vector CVSS: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-14878",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-14878",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-26T19:53:51.965373Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 7.7,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:S/C:C/I:C/A:C",
          "authentication": "SINGLE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 5.1,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert_us@oracle.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
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          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 2.1
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  "affected": [
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      "affectedData": [
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          "vendor": "Oracle Corporation",
          "product": "MySQL Server",
          "versions": [
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              "status": "affected",
              "version": "8.0.21 and prior"
            }
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  ],
  "published": "2020-10-21T15:15:25.063",
  "references": [
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      "url": "https://security.gentoo.org/glsa/202105-27",
      "tags": [
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      "source": "secalert_us@oracle.com"
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      "tags": [
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    },
    {
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    {
      "url": "https://security.gentoo.org/glsa/202105-27",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in takeover of MySQL Server. CVSS 3.1 Base Score 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en el producto MySQL Server de Oracle MySQL (componente: Server: Security: LDAP Auth). Las versiones compatibles que están afectadas son 8.0.21 y anteriores. Una vulnerabilidad explotable fácilmente permite a un atacante con pocos privilegios acceder al segmento de comunicación física conectado al hardware donde se ejecuta MySQL Server para comprometer a MySQL Server. Los ataques con éxito de esta vulnerabilidad pueden resultar en la toma de control de MySQL Server. CVSS 3.1 Puntuación Base 8.0 (Impactos de la Confidencialidad, Integridad y Disponibilidad). Vector CVSS: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "lastModified": "2026-06-17T02:55:44.000",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "7A885799-F19A-41B5-B015-B318ED959755",
              "versionEndIncluding": "8.0.21",
              "versionStartIncluding": "8.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "secalert_us@oracle.com"
}