CVE-2024-2426

Rockwell Automation - Denial-of-service and Input Validation Vulnerabilities in PowerFlex® 527

Description

A denial-of-service vulnerability exists in the Rockwell Automation PowerFlex® 527 due to improper input validation in the device. If exploited, a disruption in the CIP communication will occur and a manual restart will be required by the user to recover it.

Remediation

Solution:

  • There is no fix currently for this vulnerability. Users using the affected software are encouraged to apply risk mitigations and security best practices, where possible. * Implement network segmentation confirming the device is on an isolated network. * Disable the web server https://literature.rockwellautomation.com/idc/groups/literature/documents/um/520-um002_-en-e.pdf , if not needed. The web server is disabled by default. Disabling this feature is available in v2.001.x and later. * Security Best Practices https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.23%
Vendor Advisory rockwellautomation.com
Affected: Rockwell Automation PowerFlex® 527
Published at:
Updated at:

References

Link Tags
https://www.rockwellautomation.com/en-us/support/advisory.SD1664.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-2426?
CVE-2024-2426 has been scored as a high severity vulnerability.
How to fix CVE-2024-2426?
To fix CVE-2024-2426: There is no fix currently for this vulnerability. Users using the affected software are encouraged to apply risk mitigations and security best practices, where possible. * Implement network segmentation confirming the device is on an isolated network. * Disable the web server https://literature.rockwellautomation.com/idc/groups/literature/documents/um/520-um002_-en-e.pdf , if not needed. The web server is disabled by default. Disabling this feature is available in v2.001.x and later. * Security Best Practices https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight
Is CVE-2024-2426 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-2426 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-2426?
CVE-2024-2426 affects Rockwell Automation PowerFlex® 527.
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