CVE-2021-26086

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mitigations are unavailable.", "cisaVulnerabilityName": "Atlassian Jira Server and Data Center Path Traversal Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*", "matchCriteriaId": "CEEBDB04-3699-4E5C-BF60-7052F6409D1B", "versionEndExcluding": "8.5.14", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*", "matchCriteriaId": "940CC48E-EC7D-42E1-838C-011D1C8CEF31", "versionEndExcluding": "8.13.6", "versionStartIncluding": "8.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*", "matchCriteriaId": "CA85B28C-6370-4D3A-A053-AEC6878971B4", "versionEndExcluding": "8.16.1", "versionStartIncluding": "8.14.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "D60CECC8-9041-4339-A764-7D8515C4120D", "versionEndExcluding": "8.5.14", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "753A6E31-7EAD-443E-8FC4-D01BB97844D7", "versionEndExcluding": "8.13.6", "versionStartIncluding": "8.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "703B1E15-8FC1-42F4-953D-0CF16829AB21", "versionEndExcluding": "8.16.1", "versionStartIncluding": "8.14.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1."}, {"lang": "es", "value": "Las versiones afectadas de Atlassian Jira Server y Data Center, permiten a atacantes remotos leer archivos particulares por medio de una vulnerabilidad de salto de ruta en el endpoint /WEB-INF/web.xml. Las versiones afectadas son anteriores a 8.5.14, desde versi\u00f3n 8.6.0 anteriores a 8.13.6, y desde versi\u00f3n 8.14.0 anteriores a 8.16.1."}], "id": "CVE-2021-26086", "lastModified": "2026-06-17T03:42:50.110", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-26086", "options": [{"exploitation": "active"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-11-13T14:08:00.786261Z", "version": "2.0.3"}}]}, "published": "2021-08-16T01:15:06.353", "references": [{"source": "security@atlassian.com", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html"}, {"source": "security@atlassian.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://jira.atlassian.com/browse/JRASERVER-72695"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://jira.atlassian.com/browse/JRASERVER-72695"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26086"}], "sourceIdentifier": "security@atlassian.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-22"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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