CVE-2021-4201 Explained : Impact and Mitigation
Learn about CVE-2021-4201 impacting ForgeRock Access Management versions 7.1.0 and earlier. Understand the critical vulnerability allowing remote attackers to hijack sessions.
A security vulnerability, CVE-2021-4201, discovered in ForgeRock Access Management versions 7.1.0 and earlier allows remote unauthenticated attackers to hijack sessions, potentially including admin-level sessions. Here's what you need to know about this CVE.
Understanding CVE-2021-4201
This section will provide insights into the vulnerability, its impacts, technical details, and mitigation strategies.
What is CVE-2021-4201?
The CVE-2021-4201 vulnerability involves missing access control in ForgeRock Access Management versions 7.1.0 and earlier on all platforms, enabling remote unauthenticated attackers to hijack sessions, including admin-level ones.
The Impact of CVE-2021-4201
The vulnerability's impact is rated as critical, with a CVSS base score of 9.6. It has a high impact on confidentiality, integrity, and availability, requiring no privileges for exploitation, and user interaction is necessary.
Technical Details of CVE-2021-4201
Let's dive into the specific technical aspects of this vulnerability.
Vulnerability Description
The vulnerability arises from missing access control in ForgeRock Access Management, allowing unauthorized access to sessions.
Affected Systems and Versions
ForgeRock Access Management versions 7.1.0 and earlier, including 7.1 versions before 7.1.1 and 6.5 versions before 6.5.4, are affected.
Exploitation Mechanism
Remote unauthenticated attackers can exploit this vulnerability to take over sessions by leveraging the lack of proper access controls.
Mitigation and Prevention
Discover the steps to mitigate and prevent exploitation of CVE-2021-4201.
Immediate Steps to Take
To address the vulnerability, block access to specific endpoints within ForgeRock Access Management.
Long-Term Security Practices
Implement robust access control mechanisms, regular security assessments, and timely updates to prevent future vulnerabilities.
Patching and Updates
ForgeRock has released fixes in versions 6.5.4, 7.1.1, and later to address the CVE-2021-4201 vulnerability.