CVE-2020-20741 Explained : Impact and Mitigation
Learn about CVE-2020-20741 affecting Beckhoff Automation GmbH & Co. KG CX9020. Discover the impact, affected systems, exploitation method, and mitigation steps to secure your systems.
Beckhoff Automation GmbH & Co. KG CX9020 with firmware version CX9020_CB3011_WEC7_HPS_v602_TC31_B4016.6 has an Incorrect Access Control vulnerability that allows remote attackers to bypass authentication.
Understanding CVE-2020-20741
This CVE involves a security issue in Beckhoff Automation GmbH & Co. KG CX9020.
What is CVE-2020-20741?
The vulnerability in Beckhoff Automation GmbH & Co. KG CX9020 allows attackers to bypass authentication using the "CE Remote Display Tool" due to a flaw in handling incorrect credentials.
The Impact of CVE-2020-20741
The vulnerability enables remote attackers to circumvent authentication, potentially leading to unauthorized access to the system.
Technical Details of CVE-2020-20741
This section provides more technical insights into the CVE.
Vulnerability Description
The flaw in Beckhoff Automation GmbH & Co. KG CX9020 with firmware version CX9020_CB3011_WEC7_HPS_v602_TC31_B4016.6 allows attackers to bypass authentication by exploiting the handling of incorrect credentials.
Affected Systems and Versions
- Product: Beckhoff Automation GmbH & Co. KG CX9020
- Firmware Version: CX9020_CB3011_WEC7_HPS_v602_TC31_B4016.6
Exploitation Mechanism
Attackers can exploit this vulnerability remotely by using the "CE Remote Display Tool" to bypass authentication when incorrect credentials are provided.
Mitigation and Prevention
Protecting systems from CVE-2020-20741 is crucial to maintaining security.
Immediate Steps to Take
- Apply security patches provided by Beckhoff Automation GmbH & Co. KG promptly.
- Implement network segmentation to limit access to vulnerable systems.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and software to address security vulnerabilities.
- Conduct security training for users to enhance awareness of social engineering attacks.
Patching and Updates
Ensure that all systems running Beckhoff Automation GmbH & Co. KG CX9020 are updated with the latest firmware and security patches.