{"id":"CVE-2022-22536","published":"2022-02-09T23:15:18Z","modified":"2026-06-17T04:28:33Z","title":"SAP Multiple Products HTTP Request Smuggling Vulnerability","vendor":"SAP","product":"Multiple Products","tier":"core","eol":null,"description":{"text":"SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP Platform, SAP Content Server 7.53 and SAP Web Dispatcher are vulnerable for request smuggling and request concatenation. An unauthenticated attacker can prepend a victim's request with arbitrary data. This way, the attacker can execute functions impersonating the victim or poison intermediary Web caches. A successful attack could result in complete compromise of Confidentiality, Integrity and Availability of the system.","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is an HTTP request smuggling and request concatenation weakness affecting multiple SAP products, including SAP NetWeaver Application Server ABAP and Java, ABAP Platform, SAP Content Server 7.53, and SAP Web Dispatcher. An unauthenticated remote attacker with network access can prepend arbitrary data to a victim's request, allowing them to execute functions while impersonating the victim or poison intermediary web caches, which could lead to a complete loss of confidentiality, integrity and availability on the affected system.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T13:44:40Z"},"cvss":{"score":10.0,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.97945,"percentile":0.99909,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2022-08-18","dueDate":"2022-09-08","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"SAP users must have an account in order to login and access the patch. https://accounts.sap.com/saml2/idp/sso;  https://nvd.nist.gov/vuln/detail/CVE-2022-22536","provenance":"source"},"vulncheckKev":{"dateAdded":"2022-08-18","exploitedFirstSeen":"2022-08-18","ransomware":false,"evidence":[{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-08-18"},{"url":"https://unit42.paloaltonetworks.com/recent-exploits-network-security-trends/","date":"2022-08-19"},{"url":"https://cisa.gov/news-events/cybersecurity-advisories/aa23-215a","date":"2023-08-03"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2024-01-17&host_type=src&vulnerability=cve-2022-22536","date":"2024-01-17"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2024-01-27&host_type=src&vulnerability=cve-2022-22536","date":"2024-01-27"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2024-02-08&host_type=src&vulnerability=cve-2022-22536","date":"2024-02-08"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2024-02-16&host_type=src&vulnerability=cve-2022-22536","date":"2024-02-16"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2024-02-25&host_type=src&vulnerability=cve-2022-22536","date":"2024-02-25"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2024-03-19&host_type=src&vulnerability=cve-2022-22536","date":"2024-03-19"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2024-04-02&host_type=src&vulnerability=cve-2022-22536","date":"2024-04-02"}],"evidenceTotal":361,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev 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2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-444","name":"Inconsistent Interpretation of HTTP Requests"}],"references":[{"url":"https://launchpad.support.sap.com/#/notes/3123396","tags":["Permissions Required"]},{"url":"https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html","tags":["Broken Link","Not Applicable","Vendor Advisory"]},{"url":"https://launchpad.support.sap.com/#/notes/3123396","tags":["Permissions Required"]},{"url":"https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html","tags":["Broken Link","Not Applicable","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-22536","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Unauthenticated request smuggling against public-facing web server","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"An unauthenticated attacker can prepend a victim's request with arbitrary data","start":204,"end":282}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1557","name":"Adversary-in-the-Middle","tactics":["collection","credential-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Poisoning intermediary caches is adversary-in-the-middle 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