CVE-2021-33683

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The incorrect handling of the invalid Transfer-Encoding header in a particular manner leads to a possibility of HTTP Request Smuggling attack. An attacker could exploit this vulnerability to bypass web application firewall protection, divert sensitive data such as customer requests, session credentials, etc."}, {"lang": "es", "value": "SAP Web Dispatcher e Internet Communication Manager (ICM), versiones - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22EXT, 7. 49, KRNL64UC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.73, WEBDISP 7.53, 7.73, 7.77, 7.81, 7.82, 7.83, KERNEL 7.21, 7.22, 7.49, 7.53, 7.73, 7.77, 7.81, 7.82, 7.83, procesan un encabezado HTTP no v\u00e1lido. El manejo incorrecto de la cabecera Transfer-Encoding no v\u00e1lida de manera particular conlleva a una posibilidad de ataque de contrabando de peticiones HTTP. Un atacante podr\u00eda explotar esta vulnerabilidad para omitir la protecci\u00f3n del firewall de la aplicaci\u00f3n web y desviar datos confidenciales, como peticiones de clientes, credenciales de sesi\u00f3n, etc"}], "lastModified": "2023-09-28T15:51:34.937", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:sap:web_dispatcher:7.8_kernel_7.21:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CEFAE5D3-6729-47E6-8547-EDC127052682"}, {"criteria": "cpe:2.3:a:sap:web_dispatcher:7.21ext:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5DACDADA-64ED-4AFA-B6A0-A528334D9FD9"}, {"criteria": "cpe:2.3:a:sap:web_dispatcher:7.22:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "668A8F88-F8E1-4D57-83C7-A54C03A9931B"}, {"criteria": "cpe:2.3:a:sap:web_dispatcher:7.22ext:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D3F76E6A-2F27-450C-AAB5-E49A64079CAC"}, {"criteria": "cpe:2.3:a:sap:web_dispatcher:7.49:*:*:*:*:*:*:*", "vulnerable": 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