A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major nonrecoverable fault. If the target device becomes unavailable, a user would have to clear the fault and redownload the user project file to bring the device back online.
Advisories
Source ID Title
EUVD EUVD EUVD-2022-25077 A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major nonrecoverable fault. If the target device becomes unavailable, a user would have to clear the fault and redownload the user project file to bring the device back online.
Fixes

Solution

Rockwell Automation recommends users update to the latest firmware version to mitigate this vulnerability. Users are directed towards the risk mitigation provided below and are encouraged (where possible) to combine these with the general security guidelines below to employ multiple strategies simultaneously. Users should go to Rockwell Automation's Product Compatibility & Download Center to download the latest firmware. CompactLogix 5380, Compact GuardLogix 5380, CompactLogix 5480, ControlLogix 5580, GuardLogix 5580: Upgrade to v33.011 firmware CompactLogix 5370, Compact GuardLogix 5370, ControlLogix 5570, GuardLogix 5570: Upgrade to v34.011 firmware Please see Rockwell Automation’s security advisory PN1596 for more information. https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559


Workaround

If upgrading is not possible, Rockwell Automation recommends the following mitigations: Use of Microsoft AppLocker or other similar allow list applications can help mitigate risk. Information on using AppLocker with products from Rockwell Automation is available in Knowledgebase article QA17329. Confirm the least-privilege user principle is followed, and user/service account access to shared resources (such as a database) is only granted with a minimum number of rights as needed. Please see Rockwell Automation’s security advisory PN1596 for more information. https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559

History

Wed, 16 Apr 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2025-04-16T16:17:49.601Z

Reserved: 2022-05-18T00:00:00.000Z

Link: CVE-2022-1797

cve-icon Vulnrichment

Updated: 2024-08-03T00:16:59.935Z

cve-icon NVD

Status : Modified

Published: 2022-06-02T14:15:33.287

Modified: 2024-11-21T06:41:29.483

Link: CVE-2022-1797

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.