CVE-2021-42837 : Vulnerability Insights and Analysis
Discover the impact and mitigation steps for CVE-2021-42837, a security flaw in Talend Data Catalog allowing unauthorized access via SAML/OAuth authentication. Learn how to protect your system.
Talend Data Catalog before 7.3-20210930 allows unauthorized access via SAML/OAuth authentication.
Understanding CVE-2021-42837
What is CVE-2021-42837?
An issue in Talend Data Catalog allows any valid user from the SAML/OAuth provider to log in with an arbitrary password, bypassing authentication.
The Impact of CVE-2021-42837
This vulnerability permits unauthorized users to access the system, posing a significant security risk to sensitive data and resources.
Technical Details of CVE-2021-42837
Vulnerability Description
- Incorrect enforcement of authentication on the native login page
Affected Systems and Versions
- Talend Data Catalog before version 7.3-20210930
Exploitation Mechanism
- Valid SAML/OAuth user can log in with any password
Mitigation and Prevention
Immediate Steps to Take
- Disable SAML/OAuth until a patch is applied
- Monitor login activity for unusual patterns
Long-Term Security Practices
- Regularly update and patch the software
Patching and Updates
- Apply the latest security patch provided by Talend