1. EXECUTIVE SUMMARY
- CVSS v4 6.9
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Rockwell Automation
- Equipment: Micro850/870
- Vulnerability: Uncontrolled Resource Consumption
2. RISK EVALUATION
Successful exploitation of this vulnerability may cause CIP/Modbus communication to be disrupted for short duration.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
Rockwell Automation reports that the following versions of Micro850/870 programmable controllers are affected:
- PLC – Micro850/870 (2080 -L50E/2080 -L70E): versions prior to v22.011
3.2 Vulnerability Overview
3.2.1 Uncontrolled Resource Consumption CWE-400
A denial-of-service vulnerability exists via the CIP/Modbus port in Micro850/870. If exploited, the CIP/Modbus communication may be disrupted for short duration.
CVE-2024-7567 has been assigned to this vulnerability. A CVSS v3.1 base score of 5.3 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
A CVSS v4 score has also been calculated for CVE-2024-7567. A base score of 6.9 has been calculated; the CVSS vector string is (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).
3.3 BACKGROUND
- CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
- COUNTRIES/AREAS DEPLOYED: Worldwide
- COMPANY HEADQUARTERS LOCATION: United States
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