{"api_version":"1","generated_at":"2026-07-23T13:58:41+00:00","cve":"CVE-2020-26829","urls":{"html":"https://cve.report/CVE-2020-26829","api":"https://cve.report/api/cve/CVE-2020-26829.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-26829","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-26829"},"summary":{"title":"CVE-2020-26829","description":"SAP NetWeaver AS JAVA (P2P Cluster Communication), versions - 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows arbitrary connections from processes because of missing authentication check, that are outside the cluster and even outside the network segment dedicated for the internal cluster communication. As result, an unauthenticated attacker can invoke certain functions that would otherwise be restricted to system administrators only, including access to system administration functions or shutting down the system completely.","state":"PUBLIC","assigner":"cna@sap.com","published_at":"2020-12-09 17:15:00","updated_at":"2021-07-21 11:39:00"},"problem_types":["CWE-306"],"metrics":[],"references":[{"url":"http://seclists.org/fulldisclosure/2021/Jun/33","name":"20210614 Onapsis Security Advisory 2021-0013: [CVE-2020-26829] - Missing Authentication Check In SAP NetWeaver AS JAVA P2P Cluster communication","refsource":"FULLDISC","tags":[],"title":"Full Disclosure: Onapsis Security Advisory 2021-0013: [CVE-2020-26829] - Missing Authentication Check In SAP NetWeaver AS JAVA P2P Cluster communication","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://packetstormsecurity.com/files/163166/SAP-Netweaver-JAVA-7.50-Missing-Authorization.html","name":"http://packetstormsecurity.com/files/163166/SAP-Netweaver-JAVA-7.50-Missing-Authorization.html","refsource":"MISC","tags":[],"title":"SAP Netweaver JAVA 7.50 Missing Authorization ≈ Packet Storm","mime":"text/html","httpstatus":"200","archivestatus":"503"},{"url":"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079","name":"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079","refsource":"MISC","tags":["Vendor Advisory"],"title":"SAP Security Patch Day – December 2020 - Product Security Response at SAP - Community Wiki","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://launchpad.support.sap.com/#/notes/2974774","name":"https://launchpad.support.sap.com/#/notes/2974774","refsource":"MISC","tags":["Permissions Required"],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-26829","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26829","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"26829","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sap","cpe5":"netweaver_application_server_java","cpe6":"7.11","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"26829","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sap","cpe5":"netweaver_application_server_java","cpe6":"7.20","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"26829","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sap","cpe5":"netweaver_application_server_java","cpe6":"7.30","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"26829","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sap","cpe5":"netweaver_application_server_java","cpe6":"7.31","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"26829","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sap","cpe5":"netweaver_application_server_java","cpe6":"7.40","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"26829","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sap","cpe5":"netweaver_application_server_java","cpe6":"7.50","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"26829","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sap","cpe5":"netweaver_application_server_java","cpe6":"7.11","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"26829","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sap","cpe5":"netweaver_application_server_java","cpe6":"7.20","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"26829","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sap","cpe5":"netweaver_application_server_java","cpe6":"7.30","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"26829","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sap","cpe5":"netweaver_application_server_java","cpe6":"7.31","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"26829","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sap","cpe5":"netweaver_application_server_java","cpe6":"7.40","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"26829","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sap","cpe5":"netweaver_application_server_java","cpe6":"7.50","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2020-26829","ASSIGNER":"cna@sap.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"SAP SE","product":{"product_data":[{"product_name":"SAP NetWeaver AS JAVA (P2P Cluster Communication)","version":{"version_data":[{"version_name":"<","version_value":"7.11"},{"version_name":"<","version_value":"7.20"},{"version_name":"<","version_value":"7.30"},{"version_name":"<","version_value":"7.31"},{"version_name":"<","version_value":"7.40"},{"version_name":"<","version_value":"7.50"}]}}]}}]}},"description":{"description_data":[{"lang":"eng","value":"SAP NetWeaver AS JAVA (P2P Cluster Communication), versions - 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows arbitrary connections from processes because of missing authentication check, that are outside the cluster and even outside the network segment dedicated for the internal cluster communication. As result, an unauthenticated attacker can invoke certain functions that would otherwise be restricted to system administrators only, including access to system administration functions or shutting down the system completely."}]},"impact":{"cvss":{"baseScore":"10.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Missing Authentication Check"}]}]},"references":{"reference_data":[{"url":"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079","refsource":"MISC","name":"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079"},{"url":"https://launchpad.support.sap.com/#/notes/2974774","refsource":"MISC","name":"https://launchpad.support.sap.com/#/notes/2974774"},{"refsource":"FULLDISC","name":"20210614 Onapsis Security Advisory 2021-0013: [CVE-2020-26829] - Missing Authentication Check In SAP NetWeaver AS JAVA P2P Cluster communication","url":"http://seclists.org/fulldisclosure/2021/Jun/33"},{"refsource":"MISC","name":"http://packetstormsecurity.com/files/163166/SAP-Netweaver-JAVA-7.50-Missing-Authorization.html","url":"http://packetstormsecurity.com/files/163166/SAP-Netweaver-JAVA-7.50-Missing-Authorization.html"}]}},"nvd":{"publishedDate":"2020-12-09 17:15:00","lastModifiedDate":"2021-07-21 11:39:00","problem_types":["CWE-306"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:C","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"COMPLETE","baseScore":9},"severity":"HIGH","exploitabilityScore":10,"impactScore":8.5,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sap:netweaver_application_server_java:7.20:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sap:netweaver_application_server_java:7.11:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"26829","Ordinal":"188263","Title":"CVE-2020-26829","CVE":"CVE-2020-26829","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"26829","Ordinal":"1","NoteData":"SAP NetWeaver AS JAVA (P2P Cluster Communication), versions - 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows arbitrary connections from processes because of missing authentication check, that are outside the cluster and even outside the network segment dedicated for the internal cluster communication. As result, an unauthenticated attacker can invoke certain functions that would otherwise be restricted to system administrators only, including access to system administration functions or shutting down the system completely.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"26829","Ordinal":"2","NoteData":"2020-12-09","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"26829","Ordinal":"3","NoteData":"2021-06-15","Type":"Other","Title":"Modified"}]}}}