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CVE-2019-20902

Estado: ModificadaAlta (7.5)—

Upgrading Crowd via XML Data Transfer can reactivate a disabled user from OpenLDAP. The affected versions are from before version 3.4.6 and from 3.5.0 before 3.5.1.

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)

Atlassian — Crowd

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-20902",
  "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:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "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": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@atlassian.com",
      "affectedData": [
        {
          "vendor": "Atlassian",
          "product": "Crowd",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "3.4.6",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "3.5.0",
              "lessThan": "unspecified",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "3.5.1",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-10-01T02:15:12.450",
  "references": [
    {
      "url": "https://jira.atlassian.com/browse/CWD-5409",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@atlassian.com"
    },
    {
      "url": "https://jira.atlassian.com/browse/CWD-5409",
      "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": "Upgrading Crowd via XML Data Transfer can reactivate a disabled user from OpenLDAP. The affected versions are from before version 3.4.6 and from 3.5.0 before 3.5.1."
    },
    {
      "lang": "es",
      "value": "La actualización de Crowd a través de la transferencia de datos XML puede reactivar un usuario discapacitado de OpenLDAP. Las versiones afectadas son de antes de la versión 3.4.6 y de la versión 3.5.0 anterior a la 3.5.1"
    }
  ],
  "lastModified": "2026-06-17T02:31:24.547",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4085F469-57C8-4554-8C93-1CC1028C2F97",
              "versionEndExcluding": "3.4.6"
            },
            {
              "criteria": "cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "284B7181-2B4A-4E13-9366-66127EF516F8",
              "versionEndExcluding": "3.5.1",
              "versionStartIncluding": "3.5.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@atlassian.com"
}