CVE-2019-10954: Rockwellautomation Armor Compact Guardlogix 5370 Firmware

High severity, CVSS 7.5. EPSS: 6.1% chance of exploitation in the next 30 days.

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.

Affected products

• Rockwellautomation Armor Compact Guardlogix 5370 Firmware: from 20.011, up to and including 30.014
• Rockwellautomation Compact Guardlogix 5370 Firmware: from 20.011, up to and including 30.014
• Rockwellautomation Compactlogix 5370 l1 Firmware: from 20.011, up to and including 30.014
• Rockwellautomation Compactlogix 5370 l2 Firmware: from 20.011, up to and including 30.014
• Rockwellautomation Compactlogix 5370 l3 Firmware: from 20.011, up to and including 30.014

Published 2019-05-01. Last modified 2026-06-17.