CVE-2021-34086 Explained : Impact and Mitigation
Learn about CVE-2021-34086 affecting Ultimaker S3, S5, and 3 3D printers. Understand the CSRF vulnerability, its impact, affected versions, and mitigation steps.
In Ultimaker S3, Ultimaker S5, and Ultimaker 3 3D printers, specifically S-line through 6.3 and Ultimaker 3 through 5.2.16, a vulnerability exists where the local webserver hosts APIs that are vulnerable to CSRF attacks due to lack of request verification.
Understanding CVE-2021-34086
This CVE impacts Ultimaker 3D printers, potentially exposing them to Cross-Site Request Forgery (CSRF) attacks through their local webservers.
What is CVE-2021-34086?
The vulnerability in Ultimaker 3D printers allows malicious actors to exploit CSRF vulnerabilities in the local webserver APIs without proper request verification.
The Impact of CVE-2021-34086
If exploited, attackers could perform unauthorized actions on the affected Ultimaker 3D printers through CSRF attacks via the compromised APIs.
Technical Details of CVE-2021-34086
This section outlines the specific technical aspects of the vulnerability in Ultimaker S3, S5, and 3 3D printers.
Vulnerability Description
The vulnerability lies in the insecure handling of requests by the local webserver APIs on Ultimaker S3, S5, and 3 3D printers, making them susceptible to CSRF attacks.
Affected Systems and Versions
Ultimaker S3 3D printer, Ultimaker S5 3D printer, Ultimaker 3 3D printer S-line through 6.3, and Ultimaker 3 through 5.2.16 are confirmed to be affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending malicious requests to the local webserver APIs without the required verification, potentially leading to unauthorized actions.
Mitigation and Prevention
To protect Ultimaker 3D printers from CVE-2021-34086, immediate steps, long-term security practices, and patching procedures are crucial.
Immediate Steps to Take
Users should apply security patches provided by Ultimaker to mitigate the CSRF vulnerability and secure their devices.
Long-Term Security Practices
Regularly updating firmware, monitoring for abnormal activities, and restricting network access are essential for long-term security.
Patching and Updates
Stay informed about security updates from Ultimaker and apply patches promptly to address known vulnerabilities.