A security issue exists due to improper handling of malformed CIP packets during fuzzing. The controller enters a hard fault with solid red Fault LED and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF019. To recover, clear the fault.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00055.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Rockwellautomation Subscribe
Micro820 Subscribe
Micro850 Subscribe
Micro870 Subscribe

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Rockwellautomation Subscribe
Micro820 Subscribe
Micro850 Subscribe
Micro870 Subscribe
Advisories

No advisories yet.

Fixes

Solution

V23.012 https://compatibility.rockwellautomation.com/Pages/MultiProductFindDownloads.aspx ,  Migrate to the newer Micro850/870 controllers (L50E/L70E V23.012 https://compatibility.rockwellautomation.com/Pages/MultiProductFindDownloads.aspx ) ,  Migrate to the newer Micro820 controllers (L20E V23.011)

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1766.html cve-icon cve-icon
History

Mon, 15 Dec 2025 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Rockwellautomation
Rockwellautomation micro820
Rockwellautomation micro850
Rockwellautomation micro870
Vendors & Products Rockwellautomation
Rockwellautomation micro820
Rockwellautomation micro850
Rockwellautomation micro870

Mon, 15 Dec 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

 ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 15 Dec 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Mon, 15 Dec 2025 15:30:00 +0000

Type Values Removed Values Added
Description A security issue exists due to improper handling of malformed CIP packets during fuzzing. The controller enters a hard fault with solid red Fault LED and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF019. To recover, clear the fault.
Title Micro820®, Micro850®, Micro870® – Specialized Fuzzing Vulnerabilities
Weaknesses CWE-763
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Rockwell

Published:

Updated: 2025-12-15T17:09:43.346Z

Reserved: 2025-12-01T14:29:33.649Z

Link: CVE-2025-13824

cve-icon Vulnrichment

Updated: 2025-12-15T16:36:09.352Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-15T16:15:50.197

Modified: 2025-12-15T18:22:13.783

Link: CVE-2025-13824

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-15T21:33:37Z

Weaknesses