CVE-2024-2427: Rockwell Automation - Denial-of-service and Input Validation Vulnerabilities in PowerFlex® 527
First published: Mon Mar 25 2024(Updated: )
A denial-of-service vulnerability exists in the Rockwell Automation PowerFlex® 527 due to improper traffic throttling in the device. If multiple data packets are sent to the device repeatedly the device will crash and require a manual restart to recover.
Credit: PSIRT@rockwellautomation.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Rockwell Automation PowerFlex 527 AC Drives | ||
| All of | ||
| Rockwell Automation PowerFlex 527 AC Drives Firmware | >=2.001 | |
| Rockwell Automation PowerFlex 527 AC Drives |
Remedy
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
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Frequently Asked Questions
What is the severity of CVE-2024-2427?
CVE-2024-2427 is classified as a denial-of-service vulnerability with a critical impact on the affected device.
How do I fix CVE-2024-2427?
To mitigate CVE-2024-2427, ensure the device firmware is updated to the latest version provided by Rockwell Automation.
What devices are affected by CVE-2024-2427?
CVE-2024-2427 affects the Rockwell Automation PowerFlex® 527 and its associated firmware versions starting from 2.001.
What can cause a denial-of-service in CVE-2024-2427?
The denial-of-service in CVE-2024-2427 is triggered by improper traffic throttling, allowing multiple data packets to crash the device.
What are the recovery steps from CVE-2024-2427?
Recovery from CVE-2024-2427 requires a manual restart of the Rockwell Automation PowerFlex® 527 after it crashes.
- agent/title
- agent/remedy
- agent/weakness
- agent/references
- agent/type
- agent/description
- agent/first-publish-date
- agent/severity
- agent/author
- collector/mitre-cve
- source/MITRE
- agent/source
- agent/last-modified-date
- agent/event
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- collector/nvd-api
- source/NVD
- vendor/rockwell automation
- canonical/rockwell automation powerflex 527 ac drives
- vendor/rockwellautomation
- canonical/rockwell automation powerflex 527 ac drives firmware
- version/rockwell automation powerflex 527 ac drives firmware/2.001