CVE-2017-12093: Medium severity rockwell automation micrologix 1400 vulnerability

Published Apr 5, 2018
·
Updated

An exploitable insufficient resource pool vulnerability exists in the session communication functionality of Allen Bradley Micrologix 1400 Series B Firmware 21.2 and before. A specially crafted stream of packets can cause a flood of the session resource pool resulting in legitimate connections to the PLC being disconnected. An attacker can send unauthenticated packets to trigger this vulnerability.

Affected Software

2 affected components
rockwellautomation Micrologix 1400 B Firmware<=21.2
rockwellautomation Micrologix 1400

Event History

Apr 5, 2018
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is CVE-2017-12093?

CVE-2017-12093 is an exploitable insufficient resource pool vulnerability in the session communication functionality of Allen Bradley Micrologix 1400 Series B Firmware 21.2 and before.

2

How does CVE-2017-12093 affect Rockwell Automation Micrologix 1400 B Firmware?

CVE-2017-12093 affects Rockwell Automation Micrologix 1400 B Firmware version 21.2 and before.

3

What is the severity of CVE-2017-12093?

CVE-2017-12093 has a severity score of 5.3, which is classified as medium.

4

How can CVE-2017-12093 be exploited?

CVE-2017-12093 can be exploited by sending a specially crafted stream of packets that can cause a flood of the session resource pool, resulting in legitimate connections being affected.

5

Is Rockwell Automation Micrologix 1400 vulnerable to CVE-2017-12093?

Rockwell Automation Micrologix 1400 is vulnerable to CVE-2017-12093 if it is running firmware version 21.2 or earlier.

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