Critical Authentication Flaw in Mitsubishi Electric GX Works3 and Motion Control
A high-severity authentication vulnerability in Mitsubishi Electric GX Works3 and its Motion Control Settings allows local attackers to bypass password checks and manipulate control programs.
Why it matters
This vulnerability endangers the security of industrial control environments by permitting unauthorized access to critical manufacturing control software, potentially disrupting operations.
SOC impact
Investigate local access attempts targeting GX Works3 and related Motion Control components. Monitor logs for unusual authentication bypass activities and verify the deployment of updated software versions to reduce risk exposure.
Recommended actions
- Confirm presence of Mitsubishi Electric GX Works3 and associated Motion Control software in your environment
- Review authentication logs for signs of password bypass attempts on affected systems
- Monitor control program modifications to detect unauthorized changes
- Consult the official CISA advisory for details on mitigations and updates
Executive Summary
A critical authentication vulnerability has been identified in Mitsubishi Electric’s GX Works3 software and its bundled Motion Control Settings. This flaw enables local attackers to circumvent password checks, potentially allowing manipulation of control programs integral to industrial operations. Given the reliance of manufacturing and industrial control systems on these components, the vulnerability could increase risk to operational integrity and reliability. Security teams should focus on verifying affected assets and monitoring authentication and control program activity to detect exploitation attempts. Consulting the Cybersecurity and Infrastructure Security Agency (CISA) advisory provides authoritative information on mitigation status.
SOC Impact
Investigate local access attempts targeting GX Works3 and related Motion Control components. Monitor logs for unusual authentication bypass activities and verify the deployment of updated software versions to reduce risk exposure.
Authentication and Access Validation
- Confirm presence of Mitsubishi Electric GX Works3 and associated Motion Control software in your environment
- Review authentication logs for signs of password bypass attempts on affected systems
- Monitor control program modifications to detect unauthorized changes
- Consult the official CISA advisory for details on mitigations and updates
Why It Matters
This vulnerability endangers the security of industrial control environments by permitting unauthorized access to critical manufacturing control software, potentially disrupting operations.