Description
An exploitable denial of service vulnerability exists in the Ethernet functionality of the Allen Bradley Micrologix 1400 Series B FRN 21.2 and below. A specially crafted packet can cause a device power cycle resulting in a fault state and deletion of ladder logic. An attacker can send one unauthenticated packet to trigger this vulnerability
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0440
Scores
CVSS v3
8.6
EPSS
0.0009
EPSS Percentile
24.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Details
CWE
CWE-20
Status
published
Products (1)
rockwellautomation/micrologix_1400_b_firmware
< 21.2
Published
Apr 05, 2018
Tracked Since
Feb 18, 2026