CVE-2021-2013 : Security Advisory and Response

A vulnerability has been identified in the Oracle BI Publisher product of Oracle Fusion Middleware, specifically in the BI Publisher Security component. This CVE affects several versions of the product, potentially allowing an attacker to compromise the system via HTTP. The impact of this vulnerability could lead to unauthorized access to critical data, full access to all BI Publisher accessible data, and the ability to disrupt services.

Understanding CVE-2021-2013

This section delves into the specifics of the CVE, including its description, impact, affected systems, and exploitation mechanisms.

What is CVE-2021-2013?

The vulnerability in Oracle BI Publisher allows a low-privileged attacker to compromise the system via HTTP, potentially leading to unauthorized data access and service disruption.

The Impact of CVE-2021-2013

Successful exploitation of this vulnerability can grant an attacker unauthorized access to critical data, full access to BI Publisher data, and the ability to disrupt services, posing a significant security risk.

Technical Details of CVE-2021-2013

Here, we explore the technical aspects of the vulnerability, including its description, affected systems, and exploitation mechanisms.

Vulnerability Description

The vulnerability in Oracle BI Publisher enables a low-privileged attacker to compromise the system via HTTP, resulting in potential unauthorized data access and service disruption.

Affected Systems and Versions

The affected versions of Oracle BI Publisher include 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0, and 12.2.1.4.0, potentially leaving these systems vulnerable to exploitation.

Exploitation Mechanism

This vulnerability can be exploited by a low-privileged attacker with network access via HTTP to compromise Oracle BI Publisher, leading to unauthorized data access and possible service disruption.

Mitigation and Prevention

In order to mitigate the risks associated with CVE-2021-2013, immediate steps should be taken, and long-term security measures should be implemented to secure the affected systems.

Immediate Steps to Take

Immediate action should be taken to address the vulnerability, including implementing patches and security updates provided by Oracle.

Long-Term Security Practices

To enhance the security posture of the system, long-term security practices, such as regular security audits and access control mechanisms, should be adopted.

Patching and Updates

Regularly applying patches and updates released by Oracle is essential to address known vulnerabilities and enhance the overall security of Oracle BI Publisher.