CVE-2024-2426 json
Rockwell Automation - Denial-of-service and Input Validation Vulnerabilities in PowerFlex® 527
published 2024-03-25 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-27377
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
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.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-24-086-02 updated cvss 7.5
Rockwell Automation PowerFlex 527
-
Rockwell Automation PowerFlex 527 >=v2.001.xaffected: mitigation “Rockwell Automation does not currently have a fix for these vulnerabilities. Users of the affected software are encouraged to apply risk mitigations and security best practices, where possible.” rockwellautomation.custhelp.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
2.82% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Rockwell Automation PowerFlex® 527
- rockwellautomation powerflex_527_ac_drives_firmware
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
rockwellautomation.com
/en-us/support/advisory.SD1664.html
vendor-advisory
Sources
- CVE List CVE-2024-2426
- NVD CVE-2024-2426
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