Vulnerability-Lookup

VAR-202403-2344

Vulnerability from variot - Updated: 2025-02-06 22:55

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. Rockwell Automation of PowerFlex 527 AC Drive There are unspecified vulnerabilities in the firmware.Service operation interruption (DoS) It may be in a state. Rockwell Automation PowerFlex 527 is an adjustable AC frequency converter from the American company Rockwell Automation. An attacker can exploit this vulnerability to cause the device to crash

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CVE-2024-2427 (GCVE-0-2024-2427)

Vulnerability from cvelistv5 – Published: 2024-03-25 20:20 – Updated: 2024-08-21 14:57

Title

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

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-08-21 14:54 UTC

CWE

CWE-20 - Improper Input Validation

Assigner

Rockwell CNA under the icscert root

CNA scorecard C 74/100 over 47 records in the last 180 days details

References

1 reference

URL	Tags
https://www.rockwellautomation.com/en-us/support/…

Impacted products

2 products

Vendor	Product	Version
Rockwell Automation	PowerFlex® 527	Affected: v2.001.x <
rockwellautomation	powerflex_527_ac_drives_firmware	Affected: 2.001.0 , < * (custom) cpe:2.3:o:rockwellautomation:powerflex_527_ac_drives_firmware::::::::

Date Public

2024-03-21 13:00

Show details on NVD website

JSON

To clipboard

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              "value": "\n\n\u003cp\u003eThere is no fix currently for this vulnerability. Users using the affected software are encouraged to apply risk mitigations and security best practices, where possible.\u003c/p\u003e\u003cul\u003e\u003cli\u003eImplement network segmentation confirming the device is on an isolated network.\u003c/li\u003e\u003cli\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://literature.rockwellautomation.com/idc/groups/literature/documents/um/520-um002_-en-e.pdf\"\u003eDisable the web server\u003c/a\u003e, if not needed. The web server is disabled by default. Disabling this feature is available in v2.001.x and later.\u003c/li\u003e\u003cli\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight\"\u003eSecurity Best Practices\u003c/a\u003e\u003c/li\u003e\u003c/ul\u003e"
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        }
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      "source": {
        "discovery": "INTERNAL"
      },
      "title": "Rockwell Automation - Denial-of-service and Input Validation Vulnerabilities in PowerFlex\u00ae 527",
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  "cveMetadata": {
    "assignerOrgId": "b73dd486-f505-4403-b634-40b078b177f0",
    "assignerShortName": "Rockwell",
    "cveId": "CVE-2024-2427",
    "datePublished": "2024-03-25T20:20:41.295Z",
    "dateReserved": "2024-03-13T14:46:09.865Z",
    "dateUpdated": "2024-08-21T14:57:19.700Z",
    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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