CVE-2021-20440 : What You Need to Know
Discover the impact and mitigation strategies for CVE-2021-20440 affecting IBM API Connect versions 10.0.0.0 and 2018.4.1.0 through 2018.4.1.13. Learn how to prevent unauthorized access and information disclosure.
IBM API Connect versions 10.0.0.0 and 2018.4.1.0 through 2018.4.1.13 have a vulnerability that allows an attacker to register as a member of an API provider organization without proper restrictions. This can result in unauthorized access and potential information disclosure.
Understanding CVE-2021-20440
This section delves into the details of the CVE-2021-20440 vulnerability affecting IBM API Connect.
What is CVE-2021-20440?
CVE-2021-20440 involves IBM API Connect allowing unintended member registration, enabling attackers to join API provider organizations with stolen invitation links.
The Impact of CVE-2021-20440
The impact includes unauthorized access to API provider organizations, potentially leading to information disclosure due to inadequate restrictions.
Technical Details of CVE-2021-20440
Learn more about the technical aspects of the CVE-2021-20440 vulnerability in this section.
Vulnerability Description
The vulnerability in IBM API Connect versions 10.0.0.0 and 2018.4.1.0 through 2018.4.1.13 allows valid users to register as members using stolen invitation links.
Affected Systems and Versions
IBM API Connect versions impacted include 10.0.0.0 and 2018.4.1.0 through 2018.4.1.13. Systems using these versions are vulnerable to unauthorized member registrations.
Exploitation Mechanism
An attacker, already a valid user in the API Manager registry, can exploit this vulnerability by using a stolen invitation link to register as a member of an API provider organization.
Mitigation and Prevention
Discover how to mitigate the risks associated with CVE-2021-20440 through proactive measures and security practices.
Immediate Steps to Take
To protect against this vulnerability, organizations should monitor member registrations closely and validate user access within API provider organizations.
Long-Term Security Practices
Implement user authentication controls, review member registration policies, and conduct regular security audits to prevent unauthorized access.
Patching and Updates
Apply official fixes provided by IBM to address the vulnerability in API Connect versions 10.0.0.0 and 2018.4.1.0 through 2018.4.1.13.