{
  "id": "CVE-2021-26084",
  "sourceIdentifier": "security@atlassian.com",
  "published": "2021-08-30T07:15:06.587",
  "lastModified": "2025-02-10T18:02:37.233",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5."
    },
    {
      "lang": "es",
      "value": "En las versiones afectadas de Confluence Server y Data Center, se presenta una vulnerabilidad de inyecci\u00f3n OGNL que permitir\u00eda a un usuario no autenticado ejecutar c\u00f3digo arbitrario en una instancia de Confluence Server o Data Center. Las versiones afectadas son las versiones anteriores a 6.13.23, desde versiones 6.14.0 anteriores a 7.4.11, desde versiones 7.5.0 anteriores a 7.11.6 y desde versiones 7.12.0 anteriores a 7.12.5."
    }
  ],
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          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
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        "exploitabilityScore": 3.9,
        "impactScore": 5.9
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          "confidentialityImpact": "PARTIAL",
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        "exploitabilityScore": 10.0,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
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        "obtainOtherPrivilege": false,
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  },
  "cisaExploitAdd": "2021-11-03",
  "cisaActionDue": "2021-11-17",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability",
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    {
      "url": "http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html",
      "source": "security@atlassian.com",
      "tags": [
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        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
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    {
      "url": "http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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}