ICSA-21-166-02: Automation direct click plc cpu modules vulnerability

Affected Software

1 affected component
Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with All firmware prior to v3.00

Event History

Feb 21, 2025
Advisory Published
01:54 PM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of ICSA-21-166-02?

The severity of ICSA-21-166-02 has been assessed as high due to potential remote code execution vulnerabilities.

2

How do I fix ICSA-21-166-02?

To mitigate the vulnerabilities associated with ICSA-21-166-02, upgrade the firmware of the affected Automation Direct CLICK PLC CPU Modules to version 3.00 or later.

3

What vulnerabilities are associated with ICSA-21-166-02?

ICSA-21-166-02 is associated with multiple vulnerabilities that may allow for remote code execution and unauthorized access to the operational environment.

4

Which software is affected by ICSA-21-166-02?

Automation Direct CLICK PLC CPU Modules, specifically the C0-1x CPUs with all firmware versions prior to v3.00, are affected by ICSA-21-166-02.

5

Is there a workaround for ICSA-21-166-02 while awaiting a firmware update?

While a firmware update is the recommended fix for ICSA-21-166-02, users should implement network segmentation and restrict access to the affected devices as a temporary mitigation measure.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203
ICSA-21-166-02 - Automation direct click plc cpu modules vulnerability - SecAlerts