CVE-2021-38162
HighSummary
Wersje SAP Web Dispatcher (7.49, 7.53, 7.77, 7.81 oraz różne wersje KRNL i KERNEL) pozwalają nieautoryzowanemu atakującemu na przesłanie złośliwie skonstruowanego żądania do serwera front-end. Może to prowadzić do pomylenia granic między złośliwymi a legalnymi wiadomościami przez serwer back-end, co skutkuje wykonaniem złośliwego ładunku.
Risk Assessment
Atakujący może uzyskać dostęp do informacji na serwerze lub zakłócić jego działanie, co prowadzi do czasowej niedostępności usług. To stwarza poważne ryzyko dla integralności i dostępności danych w organizacji.
Recommendation
Zaleca się aktualizację SAP Web Dispatcher do najnowszej wersji oraz wdrożenie odpowiednich mechanizmów zabezpieczeń, aby ograniczyć możliwość przesyłania złośliwych żądań.
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Original NVD description (English source)
SAP Web Dispatcher versions - 7.49, 7.53, 7.77, 7.81, KRNL64NUC - 7.22, 7.22EXT, 7.49, KRNL64UC -7.22, 7.22EXT, 7.49, 7.53, KERNEL - 7.22, 7.49, 7.53, 7.77, 7.81, 7.83 processes allow an unauthenticated attacker to submit a malicious crafted request over a network to a front-end server which may, over several attempts, result in a back-end server confusing the boundaries of malicious and legitimate messages. This can result in the back-end server executing a malicious payload which can be used to read or modify any information on the server or consume server resources making it temporarily unavailable.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS