Advisory Published
Updated

CVE-2017-14464

First published: Thu Apr 05 2018(Updated: )

An exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a read or write operation resulting in disclosure of sensitive information, modification of settings, or modification of ladder logic. An attacker can send unauthenticated packets to trigger this vulnerability.Required Keyswitch State: REMOTE or PROG Associated Fault Code: 0001 Fault Type: Non-User Description: A fault state can be triggered by setting the NVRAM/memory module user program mismatch bit (S2:9) when a memory module is NOT installed.

Credit: talos-cna@cisco.com

Affected SoftwareAffected VersionHow to fix
Rockwellautomation Micrologix 1400 B Firmware<=21.2
Rockwellautomation Micrologix 1400

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Frequently Asked Questions

  • What is the vulnerability ID for this vulnerability?

    The vulnerability ID for this vulnerability is CVE-2017-14464.

  • What is the severity of CVE-2017-14464?

    The severity of CVE-2017-14464 is critical with a score of 9.8.

  • What is the affected software for CVE-2017-14464?

    The affected software for CVE-2017-14464 is Allen Bradley Micrologix 1400 Series B FRN 21.2 and before.

  • What is the impact of CVE-2017-14464?

    CVE-2017-14464 can potentially lead to disclosure of sensitive information or modification of data.

  • Is there a fix available for CVE-2017-14464?

    It is recommended to update to a version of Allen Bradley Micrologix 1400 Series B firmware that is after version 21.2 to mitigate the vulnerability.

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