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.

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.

What is the severity of CVE-2017-12093?

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

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.

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.

Vulnerability/
CVE-2017-12093

medium

5.3

CWE

400

5/4/2018

16/9/2024

CVE-2017-12093

First published: Thu Apr 05 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.

Credit: talos-cna@cisco.com

Affected Software	Affected Version	How to fix
Rockwellautomation Micrologix 1400 B Firmware	<=21.2
Rockwellautomation Micrologix 1400

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Reference Links

https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0445

Frequently Asked Questions

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.
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.
What is the severity of CVE-2017-12093?
CVE-2017-12093 has a severity score of 5.3, which is classified as medium.
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.
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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vendor/rockwellautomation
canonical/rockwellautomation micrologix 1400 b firmware
version/rockwellautomation micrologix 1400 b firmware/21.2
canonical/rockwellautomation micrologix 1400

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