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.
Please visit https://www.tenable.com/products/tenable-ot for more information.

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 that users update to version v22.011.

Rockwell Automation encourages users of the affected software to apply security best practices, if possible.

- For information on how to mitigate security risks on industrial automation control systems, we encourage users to implement Rockwell Automation suggested security best practices to minimize the risk of the vulnerability.

For more information see the Rockwell Automation Security Advisory.

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: 1.3

Type: Remote

Family: Tenable.ot

Published: 7/29/2026

Updated: 7/30/2026

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

Temporal Score: 4.6

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

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

Required KB Items: Tenable.ot/Rockwell

Exploit Ease: No known exploits are available

Patch Publication Date: 8/13/2024

Vulnerability Publication Date: 8/13/2024

Reference Information

CVE: CVE-2024-7567

CWE: 400

ICSA: 24-226-07