June 20, 2021

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CVE-2021-27628

SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher), versions – KRNL32NUC – 7.22,7.22EXT, KRNL32UC – 7.22,7.22EXT, KRNL64NUC – 7.22,7.22EXT,7.49, KRNL64UC – 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL – 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83, allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network which will trigger an internal error in the system due to improper input validation in method DpRTmPrepareReq() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.