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CVE-2019-20403

Estado: ModificadaMedia (5.3)—

The API in Atlassian Jira Server and Data Center before version 8.6.0 allows remote attackers to determine if a Jira project key exists or not via an information disclosure vulnerability.

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 (2)

Atlassian — Jira Data CenterAtlassian — Jira Server

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-20403",
  "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
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "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": "8.6.0",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-02-06T03:15:10.530",
  "references": [
    {
      "url": "https://jira.atlassian.com/browse/JRASERVER-70565",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "security@atlassian.com"
    },
    {
      "url": "https://jira.atlassian.com/browse/JRASERVER-70565",
      "tags": [
        "Issue Tracking",
        "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": "The API in Atlassian Jira Server and Data Center before version 8.6.0 allows remote attackers to determine if a Jira project key exists or not via an information disclosure vulnerability."
    },
    {
      "lang": "es",
      "value": "La API en Atlassian Jira Server y Data Center antes de la versión 8.6.0, permite a atacantes remotos determinar si una clave de proyecto Jira existe o no por medio de una vulnerabilidad de divulgación de información."
    }
  ],
  "lastModified": "2026-06-17T02:30:22.440",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "41E04D9F-E02D-49F2-BBE8-56B91583AECD",
              "versionEndExcluding": "8.5.5",
              "versionStartIncluding": "7.13.0"
            },
            {
              "criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "81A83ACD-6FA3-492E-84EF-8B8FEA933B45",
              "versionEndExcluding": "8.5.5",
              "versionStartExcluding": "7.13.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@atlassian.com"
}