CVE-2018-7241 Explained : Impact and Mitigation
Discover the impact of CVE-2018-7241 on Schneider Electric's Modicon Premium, Quantum, M340, and BMXNOR0200 controllers. Learn about the vulnerability, affected systems, exploitation, and mitigation steps.
Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers are affected by hard-coded accounts in all versions of the communication modules.
Understanding CVE-2018-7241
What is CVE-2018-7241?
This CVE identifies the presence of pre-set user accounts in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers.
The Impact of CVE-2018-7241
The vulnerability allows unauthorized access to the affected systems, posing a security risk to the confidentiality and integrity of the data.
Technical Details of CVE-2018-7241
Vulnerability Description
The controllers contain hard-coded accounts, which could be exploited by malicious actors to gain unauthorized access.
Affected Systems and Versions
- Modicon Premium
- Modicon Quantum
- Modicon M340
- BMXNOR0200
Exploitation Mechanism
The presence of pre-set user accounts allows attackers to bypass authentication mechanisms and potentially take control of the systems.
Mitigation and Prevention
Immediate Steps to Take
- Change default passwords and implement strong, unique credentials.
- Regularly monitor and audit user accounts for any unauthorized access.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify vulnerabilities.
- Keep systems up to date with the latest security patches and firmware updates.
Patching and Updates
Ensure that all communication modules for Modicon Premium, Quantum, M340, and BMXNOR0200 are updated with patches provided by Schneider Electric.