Rockwell Automation Micro850/870 Uncontrolled Resource Consumption (CVE-2024-7567)

medium Tenable OT Security Plugin ID 505888

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A denial-of-service vulnerability exists via the CIP/Modbus port in Micro850/870. If exploited, the CIP/Modbus communication may be disrupted for a short duration.

This plugin only works with Tenable.ot.
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Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Rockwell Automation recommends users of Micro850/870 (2080-L50E/2080-L70E) update to V22.011 or later.

See Also

https://www.cisa.gov/news-events/ics-advisories/icsa-24-226-07

http://www.nessus.org/u?76e8b1e7

Plugin Details

Severity: Medium

ID: 505888

File Name: tenable_ot_rockwell_CVE-2024-7567.nasl

Version: 1.1

Type: Remote

Family: Tenable.ot

Published: 7/29/2026

Updated: 7/29/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.92

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Vulnerability Information

CPE: cpe:/o:rockwellautomation:micro850_firmware, cpe:/o:rockwellautomation:micro870_firmware

Required KB Items: Tenable.ot/Rockwell

Patch Publication Date: 8/13/2024

Vulnerability Publication Date: 8/13/2024

Reference Information

CVE: CVE-2024-7567

CWE: 400

ICSA: 24-226-07