CVE-2021-2157 : Vulnerability Insights and Analysis

A vulnerability has been identified in the Oracle WebLogic Server product of Oracle Fusion Middleware, specifically in the TopLink Integration component. This vulnerability affects multiple versions, allowing an unauthenticated attacker to compromise the Oracle WebLogic Server, potentially leading to unauthorized access to critical data.

Understanding CVE-2021-2157

This section will provide insights into the nature of the CVE-2021-2157 vulnerability.

What is CVE-2021-2157?

The vulnerability in the Oracle WebLogic Server product pertains to the TopLink Integration component. Affected versions include 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, and 12.2.1.4.0. Exploitation of this vulnerability by an attacker with network access via HTTP could result in compromising the Oracle WebLogic Server.

The Impact of CVE-2021-2157

Successful exploitation of CVE-2021-2157 could result in unauthorized access to critical data or full access to all data accessible via the Oracle WebLogic Server, potentially leading to severe confidentiality impacts.

Technical Details of CVE-2021-2157

This section will delve into the technical aspects of CVE-2021-2157.

Vulnerability Description

The vulnerability allows an unauthenticated attacker to compromise the Oracle WebLogic Server via HTTP, leading to potential unauthorized access to critical data.

Affected Systems and Versions

Oracle WebLogic Server versions 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, and 12.2.1.4.0 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability with network access via HTTP to compromise the Oracle WebLogic Server.

Mitigation and Prevention

In this section, you will find information on mitigating the risks associated with CVE-2021-2157.

Immediate Steps to Take

Implement immediate security measures to restrict network access and prevent unauthorized HTTP entry points.

Long-Term Security Practices

Enhance overall security posture through regular monitoring, access control, and network segmentation.

Patching and Updates

Apply the latest patches and updates provided by Oracle to mitigate the CVE-2021-2157 vulnerability.