CVE-2020-35217 : Vulnerability Insights and Analysis
Learn about CVE-2020-35217, a vulnerability in Vert.x-Web framework v4.0 milestone 1-4 allowing CSRF attacks. Find mitigation steps and prevention measures.
Vert.x-Web framework v4.0 milestone 1-4 is vulnerable to a CSRF verification issue that could allow attackers to perform a successful CSRF attack.
Understanding CVE-2020-35217
What is CVE-2020-35217?
Vert.x-Web framework v4.0 milestone 1-4 lacks proper CSRF token verification, making it susceptible to CSRF attacks.
The Impact of CVE-2020-35217
The vulnerability enables attackers to execute CSRF attacks successfully without providing a CSRF token in the request.
Technical Details of CVE-2020-35217
Vulnerability Description
The framework compares the CSRF token in the cookie against a token stored in the session, allowing automatic verification and exploitation.
Affected Systems and Versions
- Product: Vert.x-Web framework v4.0 milestone 1-4
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
- Attackers exploit the flawed CSRF token verification by leveraging the automatic cookie transmission, leading to successful CSRF attacks.
Mitigation and Prevention
Immediate Steps to Take
- Implement a proper CSRF token verification mechanism
- Monitor and restrict cookie-based interactions
Long-Term Security Practices
- Regularly update the framework to patched versions
- Conduct security audits to identify and address vulnerabilities
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the CSRF vulnerability.