{
  "id": "CVE-2021-26085",
  "sourceIdentifier": "security@atlassian.com",
  "published": "2021-08-03T00:15:08.557",
  "lastModified": "2022-06-10T14:25:53.967",
  "vulnStatus": "Analyzed",
  "cisaExploitAdd": "2022-03-28",
  "cisaActionDue": "2022-04-18",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability",
  "descriptions": [
    {
      "lang": "en",
      "value": "Affected versions of Atlassian Confluence Server allow remote attackers to view restricted resources via a Pre-Authorization Arbitrary File Read vulnerability in the /s/ endpoint. The affected versions are before version 7.4.10, and from version 7.5.0 before 7.12.3."
    },
    {
      "lang": "es",
      "value": "Las versiones afectadas de Atlassian Confluence Server permiten a los atacantes remotos visualizar recursos restringidos por medio de una vulnerabilidad de lectura arbitraria de archivos de autorizaci\u00f3n previa en el endpoint /s/. Las versiones afectadas son anteriores a la versi\u00f3n 7.4.10 y desde la versi\u00f3n 7.5.0 anteriores a 7.12.3"
    }
  ],
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        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "7.4.10",
              "matchCriteriaId": "83557716-7A48-48D5-85A9-4A29DBF4F511"
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  "references": [
    {
      "url": "http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html",
      "source": "security@atlassian.com",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
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    },
    {
      "url": "https://jira.atlassian.com/browse/CONFSERVER-67893",
      "source": "security@atlassian.com",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
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}