CVE-2025-22166

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{"affected": [{"affectedData": [{"product": "Confluence Data Center", "vendor": "Atlassian", "versions": [{"status": "affected", "version": "9.5.1 to 9.5.4"}, {"status": "affected", "version": "9.4.0 to 9.4.1"}, {"status": "affected", "version": "9.3.1 to 9.3.2"}, {"status": "affected", "version": "9.2.0 to 9.2.6"}, {"status": "affected", "version": "9.1.0 to 9.1.1"}, {"status": "affected", "version": "9.0.1 to 9.0.3"}, {"status": "affected", "version": "8.9.0 to 8.9.8"}, {"status": "affected", "version": "8.8.0 to 8.8.1"}, {"status": "affected", "version": "8.7.1 to 8.7.2"}, {"status": "affected", "version": "8.6.1 to 8.6.2"}, {"status": "affected", "version": "8.5.3 to 8.5.24"}, {"status": "affected", "version": "7.19.16 to 7.19.30"}, {"status": "unaffected", "version": "10.0.2 to 10.0.3"}, {"status": "unaffected", "version": "9.2.7 to 9.2.9"}, {"status": "unaffected", "version": "8.5.25 to 8.5.27"}]}], "source": "security@atlassian.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D558D1C-94B1-4F03-B25D-5C9572ACD9D2", "versionEndExcluding": "8.5.25", "versionStartIncluding": "8.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*", "matchCriteriaId": "CEEEF74E-9B32-4CA0-B892-C5559B44F031", "versionEndExcluding": "9.2.7", "versionStartIncluding": "9.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*", "matchCriteriaId": "46B5C105-6E80-4CE7-9928-8C0C6321E94E", "versionEndExcluding": "10.0.2", "versionStartIncluding": "10.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8BA896B-97EF-4D11-82F8-BBCADE5DAE45", "versionEndExcluding": "8.5.25", "versionStartIncluding": "8.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "9CFF1E61-C6D4-4699-AD54-C8C7F4D1282F", "versionEndExcluding": "9.2.7", "versionStartIncluding": "9.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "100D4CEB-7E91-4046-82D7-1BBF48EFB7E1", "versionEndExcluding": "10.0.2", "versionStartIncluding": "10.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "This High severity DoS (Denial of Service) vulnerability was introduced in version 2.0 of Confluence Data Center.\r\n\r\nThis DoS (Denial of Service) vulnerability, with a CVSS Score of 8.3, allows an attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network.\r\n\r\nAtlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:\r\n Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.25\r\n Confluence Data Center and Server 9.2: Upgrade to a release greater than or equal to 9.2.7\r\n Confluence Data Center and Server 10.0: Upgrade to a release greater than or equal to 10.0.2\r\n\r\nSee the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]).\r\n\r\nThis vulnerability was reported via our Atlassian (Internal) program."}, {"lang": "es", "value": "Esta vulnerabilidad DoS (denegaci\u00f3n de servicio) de alta gravedad fue introducida en la versi\u00f3n 2.0 de Confluence Data Center.\n\nEsta vulnerabilidad DoS (denegaci\u00f3n de servicio), con una puntuaci\u00f3n CVSS de 8.3, permite a un atacante causar que un recurso no est\u00e9 disponible para sus usuarios previstos al interrumpir temporal o indefinidamente los servicios de un host conectado a una red.\n\nAtlassian recomienda que los clientes de Confluence Data Center actualicen a la \u00faltima versi\u00f3n; si no pueden hacerlo, actualicen su instancia a una de las versiones fijas compatibles especificadas:\n Confluence Data Center y Server 8.5: Actualizar a una versi\u00f3n mayor o igual a 8.5.25\n Confluence Data Center y Server 9.2: Actualizar a una versi\u00f3n mayor o igual a 9.2.7\n Confluence Data Center y Server 10.0: Actualizar a una versi\u00f3n mayor o igual a 10.0.2\n\nConsulte las notas de la versi\u00f3n ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). Puede descargar la \u00faltima versi\u00f3n de Confluence Data Center desde el centro de descargas ([https://www.atlassian.com/software/confluence/download-archives]).\n\nEsta vulnerabilidad fue reportada a trav\u00e9s de nuestro programa Atlassian (Interno)."}], "id": "CVE-2025-22166", "lastModified": "2026-10-08T11:10:00.250", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@atlassian.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-22166", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-21T16:21:21.142041Z", "version": "2.0.3"}}]}, "published": "2025-10-21T16:15:37.370", "references": [{"source": "security@atlassian.com", "tags": ["Vendor Advisory"], "url": "https://confluence.atlassian.com/pages/viewpage.action?pageId=1652920034"}, {"source": "security@atlassian.com", "tags": ["Vendor Advisory"], "url": "https://jira.atlassian.com/browse/CONFSERVER-100907"}], "sourceIdentifier": "security@atlassian.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-405"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2025-10-23T10:13:10.070254+00:00", "updated": "2025-10-23T10:13:10.070289+00:00", "vendors": ["atlassian", "atlassian$PRODUCT$confluence_data_center", "atlassian$PRODUCT$confluence_server"]}