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CVE-2017-14470

10.0 · CRITICAL

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.

Published Apr 5, 2018EPSS 37.96%

Overview

CVE-2017-14470 is a critical-severity vulnerability. It was published on April 5, 2018 and has a CVSS 3.0 base score of 10.0 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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 or RUN Description: The value 0xffffffff is considered NaN for the Float data type. When a float is set to this value and used in the PLC, a fault is triggered. NOTE: This is not possible through RSLogix.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.talosintelligence.com/vulnerability_reports/TALOS-2017-0443Refwww.talosintelligence.com/vulnerability_reports/TALOS-2017-0443

How CyberStrike helps

Frequently asked questions

What is CVE-2017-14470?

CVE-2017-14470 is a critical-severity vulnerability. It was published on April 5, 2018 and has a CVSS 3.0 base score of 10.0 (CRITICAL).

How severe is CVE-2017-14470?

This vulnerability has a CVSS 3.0 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-14470?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-14470?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-14470 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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