SMTP Packet Denial-of-Service Vulnerability in CompactLogix and GuardLogix Controllers

SMTP Packet Denial-of-Service Vulnerability in CompactLogix and GuardLogix Controllers

CVE-2019-10954 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

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