Learn about CVE-2021-35587, a critical vulnerability in Oracle Access Manager of Oracle Fusion Middleware, allowing unauthenticated attackers to compromise the system.
A critical vulnerability has been identified in the Oracle Access Manager product of Oracle Fusion Middleware, affecting multiple versions. This vulnerability could allow an unauthenticated attacker to compromise Oracle Access Manager, potentially leading to a complete takeover.
Understanding CVE-2021-35587
This section provides insights into the nature and impact of the CVE-2021-35587 vulnerability.
What is CVE-2021-35587?
The vulnerability exists in the Oracle Access Manager product of Oracle Fusion Middleware, particularly in the OpenSSO Agent component. Attackers with network access via HTTP can exploit this flaw to compromise the Oracle Access Manager. The impacted versions include 11.1.2.3.0, 12.2.1.3.0, and 12.2.1.4.0. The exploitability score is 9.8 with significant confidentiality, integrity, and availability impacts.
The Impact of CVE-2021-35587
Successful exploitation of this vulnerability may lead to a complete takeover of the Oracle Access Manager, posing severe risks to the affected systems and data.
Technical Details of CVE-2021-35587
In this section, we dive deeper into the technical aspects of the CVE-2021-35587 vulnerability.
Vulnerability Description
The vulnerability allows unauthenticated attackers with network access via HTTP to compromise the Oracle Access Manager, potentially resulting in a complete system takeover.
Affected Systems and Versions
The vulnerability affects Oracle Access Manager versions 11.1.2.3.0, 12.2.1.3.0, and 12.2.1.4.0 within the Oracle Fusion Middleware product.
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging network access via HTTP, making it relatively easy for them to compromise the Oracle Access Manager.
Mitigation and Prevention
In this section, we outline steps to mitigate and prevent the exploitation of CVE-2021-35587.
Immediate Steps to Take
It is crucial to apply security patches promptly and monitor network traffic for any suspicious activity. Additionally, restrict network access to minimize the risk of unauthorized access.
Long-Term Security Practices
Implementing robust network security measures, conducting regular security audits, and ensuring timely software updates are essential for long-term security resilience.
Patching and Updates
Regularly check for security updates and patches released by Oracle to address the CVE-2021-35587 vulnerability and enhance the overall security posture of the Oracle Access Manager.