CVE-2024-7567: Rockwell Automation Micro850/870 Vulnerable to denial-of-service Vulnerability via CIP/Modbus Port

Severity: medium (CVSS 6.9 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-08-13 · updated 2026-06-17
Weakness: CWE-400

Description

A denial-of-service vulnerability exists via the CIP/Modbus port in the Rockwell Automation Micro850/870 (2080 -L50E/2080 -L70E). If exploited, the CIP/Modbus communication may be disrupted for short duration.

Affected products

Rockwellautomation Micro850 Firmware: from 20.011 before 22.011 — fixed in 22.011
Rockwellautomation Micro870 Firmware: from 20.011 before 22.011 — fixed in 22.011

How to fix

Upgrade to a fixed version: Rockwellautomation Micro850 Firmware 22.011; Rockwellautomation Micro870 Firmware 22.011. Check the vendor advisory for mitigations.

References

https://https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1684.html

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