CVE-2021-26085
Vulnerability from cvelistv5
Published
2021-08-03 00:00
Modified
2024-09-17 03:02
Severity ?
Summary
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.
References
security@atlassian.comhttp://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.htmlExploit, Third Party Advisory, VDB Entry
security@atlassian.comhttps://jira.atlassian.com/browse/CONFSERVER-67893Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://jira.atlassian.com/browse/CONFSERVER-67893Issue Tracking, Vendor Advisory
Impacted products
Vendor Product Version
Atlassian Confluence Data Center Version: unspecified   < 7.4.10
Version: 7.5.0   < unspecified
Version: unspecified   < 7.12.3
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2022-03-28

Due date: 2022-04-18

Required action: Apply updates per vendor instructions.

Used in ransomware: Known

Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-26085

Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:19:19.799Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jira.atlassian.com/browse/CONFSERVER-67893"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Confluence Server",
          "vendor": "Atlassian",
          "versions": [
            {
              "lessThan": "7.4.10",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "7.5.0",
              "versionType": "custom"
            },
            {
              "lessThan": "7.12.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Confluence Data Center",
          "vendor": "Atlassian",
          "versions": [
            {
              "lessThan": "7.4.10",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "7.5.0",
              "versionType": "custom"
            },
            {
              "lessThan": "7.12.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2021-07-29T00:00:00",
      "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Pre-Authorization Arbitrary File Read",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-05T16:06:18",
        "orgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
        "shortName": "atlassian"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jira.atlassian.com/browse/CONFSERVER-67893"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@atlassian.com",
          "DATE_PUBLIC": "2021-07-29T00:00:00",
          "ID": "CVE-2021-26085",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Confluence Server",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "7.4.10"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "7.5.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "7.12.3"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Confluence Data Center",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "7.4.10"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "7.5.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "7.12.3"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Atlassian"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Pre-Authorization Arbitrary File Read"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://jira.atlassian.com/browse/CONFSERVER-67893",
              "refsource": "MISC",
              "url": "https://jira.atlassian.com/browse/CONFSERVER-67893"
            },
            {
              "name": "http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
    "assignerShortName": "atlassian",
    "cveId": "CVE-2021-26085",
    "datePublished": "2021-08-03T00:00:12.199230Z",
    "dateReserved": "2021-01-25T00:00:00",
    "dateUpdated": "2024-09-17T03:02:09.128Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "cisa_known_exploited": {
      "cveID": "CVE-2021-26085",
      "cwes": "[\"CWE-425\"]",
      "dateAdded": "2022-03-28",
      "dueDate": "2022-04-18",
      "knownRansomwareCampaignUse": "Known",
      "notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-26085",
      "product": "Confluence Server",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "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.",
      "vendorProject": "Atlassian",
      "vulnerabilityName": "Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-26085\",\"sourceIdentifier\":\"security@atlassian.com\",\"published\":\"2021-08-03T00:15:08.557\",\"lastModified\":\"2024-11-21T05:55:50.590\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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/.\u0026#xa0;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\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"cisaExploitAdd\":\"2022-03-28\",\"cisaActionDue\":\"2022-04-18\",\"cisaRequiredAction\":\"Apply updates per vendor instructions.\",\"cisaVulnerabilityName\":\"Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability\",\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-425\"}]}],\"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\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.5.0\",\"versionEndExcluding\":\"7.12.3\",\"matchCriteriaId\":\"6A310D77-1FFF-4FFE-AD50-75DFF973EB3F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"7.4.10\",\"matchCriteriaId\":\"4BA04112-3B97-491B-93E6-80C444274430\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.5.0\",\"versionEndExcluding\":\"7.12.3\",\"matchCriteriaId\":\"B1148DF0-42C0-435F-A6EB-EFA93E10E8D7\"}]}]}],\"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\"]},{\"url\":\"https://jira.atlassian.com/browse/CONFSERVER-67893\",\"source\":\"security@atlassian.com\",\"tags\":[\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://jira.atlassian.com/browse/CONFSERVER-67893\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.