CVE-2017-14463
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: 0012 Fault Type: Non-User Description: A fault state can be triggered by overwriting the ladder logic data file (type 0x22 number 0x02) with null values.
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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Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2017-14463.
What is the severity of CVE-2017-14463?
The severity of CVE-2017-14463 is critical with a CVSS score of 9.8.
Which software is affected by CVE-2017-14463?
The Allen Bradley Micrologix 1400 Series B FRN 21.2 and earlier firmware versions are affected.
What is the impact of CVE-2017-14463?
An attacker can exploit this vulnerability to disclose sensitive information or modify data.
Is there a fix available for CVE-2017-14463?
A fix for CVE-2017-14463 is not available at the moment. It is recommended to follow the vendor's security advisory for any updates.
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