CVE:CVE-2021-33683
CNNVD:CNNVD-202107-705
SAP Web dispatcher是德国思爱普（SAP）公司的Load Balancing 的核心组件，支持负载均衡，提供反向代理的功能，使得外网用户可以访问到内部应用。
SAP Web Dispatcher 和 Internet Communication Manager 存在安全漏洞，该漏洞源于产品中存在HTTP请求走私漏洞。以下产品及版本受到影响：SAP Web Dispatcher and Internet Communication Manager, Versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 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。
solution:Upgrade sap web_dispatcher_and_internet_communication_manager to a higher version than 7.21ext,7.22,7.22ext,7.49,7.53,7.73,7.77,7.81,7.82,kernel_7.21,krnl32nuc_7.21,krnl32uc_7.21,krnl64nuc_7.21,krnl64uc_7.21,webdisp_7.53,and avoid the version 7.21ext,7.22,7.22ext,7.49,7.53,7.73,7.77,7.81,7.82,kernel_7.21,krnl32nuc_7.21,krnl32uc_7.21,krnl64nuc_7.21,krnl64uc_7.21,webdisp_7.53