CVE-2019-10954
HighSummary
Atakujący może wysłać spreparowane pakiety SMTP, co prowadzi do stanu odmowy usługi, w którym kontroler wchodzi w poważny, nieodwracalny stan błędu (MNRF) w kontrolerach CompactLogix 5370 L1, L2 i L3, kontrolerach Compact GuardLogix 5370 oraz kontrolerach Armor Compact GuardLogix 5370 w wersjach 20 - 30 i wcześniejszych.
Risk Assessment
W przypadku wykorzystania tej podatności, organizacja może doświadczyć poważnych zakłóceń w działaniu systemów kontrolnych, co może prowadzić do przestojów i utraty danych.
Recommendation
Zaleca się aktualizację kontrolerów do najnowszych wersji, które eliminują tę podatność oraz monitorowanie ruchu SMTP w celu wykrywania potencjalnych ataków.
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Original NVD description (English source)
An attacker could send crafted SMTP packets to cause a denial-of-service condition where the controller enters a major non-recoverable faulted state (MNRF) in CompactLogix 5370 L1, L2, and L3 Controllers, Compact GuardLogix 5370 controllers, and Armor Compact GuardLogix 5370 Controllers Versions 20 - 30 and earlier.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS