CVE-2017-12088

HIGH
8.6
CVSS Score
Published: April 5, 2018 at 09:00 PM UTC
Updated: June 17, 2026 at 01:02 AM UTC
3 products affected across 2 vendorsMicrologix 1400-b FirmwareAllen-Bradley MicroLogix 1400Micrologix 1400-b

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Severity
HIGH8.6
Exploit prediction
EPSS 5%

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 21.2
rockwellautomation-micrologix-1400 (same device)
Allen Bradley Micrologix 1400 Series B FRN 21.2, Allen Bradley Micrologix 1400 Series B FRN 21.0, Allen Bradley Micrologix 1400 Series B FRN 15

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

CVSS

8.6HIGHtalos
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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