CVE-2019-18336
HighCVSS 7.5Summary
Zidentyfikowano podatność w rodzinie CPU SIMATIC S7-300 oraz powiązanych urządzeniach, które mogą zostać wywołane przez specjalnie skonstruowane pakiety wysyłane na port 102/tcp (Profinet). W wyniku tego urządzenie może przejść w tryb awarii, co wymaga ponownego uruchomienia systemu.
Risk Assessment
Atakujący z dostępem do sieci na port 102/tcp może wykorzystać tę podatność bez potrzeby uwierzytelnienia, co stwarza ryzyko dla integralności i dostępności systemów przemysłowych.
Recommendation
Zaleca się aktualizację urządzeń do wersji, które są odporne na tę podatność oraz monitorowanie dostępu do portu 102/tcp w celu ograniczenia ryzyka ataku.
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Original NVD description (English source)
A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V3.X.17), SIMATIC TDC CP51M1 (All versions < V1.1.8), SIMATIC TDC CPU555 (All versions < V1.1.1), SINUMERIK 840D sl (All versions < V4.8.6), SINUMERIK 840D sl (All versions < V4.94). Specially crafted packets sent to port 102/tcp (Profinet) could cause the affected device to go into defect mode. A restart is required in order to recover the system. Successful exploitation requires an attacker to have network access to port 102/tcp, with no authentication. No user interation is required. At the time of advisory publication no public exploitation of this security vulnerability was known.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

