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CVE-2020-4021

Estado: ModificadaMedia (5.4)—

Affected versions are: Before 8.5.5, and from 8.6.0 before 8.8.1 of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the XML export view.

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 (4)

Atlassian — JiraAtlassian — Jira Data CenterAtlassian — Jira ServerAtlassian — Jira Software Data Center

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2020-4021",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "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"
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        "obtainAllPrivilege": false,
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  "affected": [
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      "source": "security@atlassian.com",
      "affectedData": [
        {
          "vendor": "Atlassian",
          "product": "Jira Server and Data Center",
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              "status": "affected",
              "version": "unspecified",
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              "version": "8.6.0",
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  "published": "2020-06-01T07:15:11.110",
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    {
      "url": "https://jira.atlassian.com/browse/JRASERVER-70923",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
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      "source": "security@atlassian.com"
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      "url": "https://jira.atlassian.com/browse/JRASERVER-70923",
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-79"
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      "lang": "en",
      "value": "Affected versions are: Before 8.5.5, and from 8.6.0 before 8.8.1 of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the XML export view."
    },
    {
      "lang": "es",
      "value": "Unas versiones afectadas son: versiones anteriores a 8.5.5, y desde versiones 8.6.0 anteriores a  8.8.1 de Atlassian Jira Server y Data Center, permiten a atacantes remotos inyectar HTML o Javascript arbitrario por medio de una vulnerabilidad de tipo cross site scripting (XSS) en la vista de exportación XML."
    }
  ],
  "lastModified": "2026-06-17T03:19:26.217",
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