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CVE-2020-14181

Estado: ModificadaMedia (5.3)—💥 Exploit

Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. The affected versions are before version 7.13.6, from version 8.0.0 before 8.5.7, and from version 8.6.0 before 8.12.0.

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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.

Tecnologías afectadas (3)

Atlassian — Data CenterAtlassian — JiraAtlassian — Jira Server

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-14181",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV31": [
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        "type": "Primary",
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        "cvssData": {
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          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@atlassian.com",
      "affectedData": [
        {
          "vendor": "Atlassian",
          "product": "Jira Server",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "7.13.6",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "8.0.0",
              "lessThan": "unspecified",
              "versionType": "custom"
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            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "8.5.7",
              "versionType": "custom"
            },
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              "versionType": "custom"
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  ],
  "published": "2020-09-17T01:15:11.747",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/161730/Atlassian-JIRA-8.11.1-User-Enumeration.html",
      "tags": [
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        "Third Party Advisory",
        "VDB Entry"
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      "source": "security@atlassian.com"
    },
    {
      "url": "https://jira.atlassian.com/browse/JRASERVER-71560",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "security@atlassian.com"
    },
    {
      "url": "http://packetstormsecurity.com/files/161730/Atlassian-JIRA-8.11.1-User-Enumeration.html",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "https://jira.atlassian.com/browse/JRASERVER-71560",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
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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": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. The affected versions are before version 7.13.6, from version 8.0.0 before 8.5.7, and from version 8.6.0 before 8.12.0."
    },
    {
      "lang": "es",
      "value": "Las versiones afectadas de Atlassian Jira Server y Data Center permiten que un usuario no autenticado enumere usuarios por medio de una vulnerabilidad de divulgación de información en el endpoint /ViewUserHover.jspa. Las versiones afectadas son las anteriores a versión 7.13.6, desde la versión 8.0.0 anteriores a 8.5.7 y desde la versión 8.6.0 anteriores a 8.12.0"
    }
  ],
  "lastModified": "2026-06-17T02:54:21.110",
  "configurations": [
    {
      "nodes": [
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              "versionEndExcluding": "7.13.6"
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}