CVE-2021-2400 : What You Need to Know

A vulnerability has been identified in the Oracle BI Publisher product of the Oracle Fusion Middleware, specifically in the E-Business Suite - XDO component. This CVE affects versions 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0, and 12.2.1.4.0. It is classified as easily exploitable, allowing an unauthenticated attacker with network access via HTTP to compromise Oracle BI Publisher. Successful exploitation can lead to unauthorized access to critical data or complete data accessibility in Oracle BI Publisher.

Understanding CVE-2021-20657

This section provides insights into the nature and impact of CVE-2021-2400.

What is CVE-2021-20657?

CVE-2021-2400 is a vulnerability in the Oracle BI Publisher product of Oracle Fusion Middleware, specifically affecting the E-Business Suite - XDO component. The vulnerability allows unauthorized attackers to compromise Oracle BI Publisher through HTTP network access.

The Impact of CVE-2021-20657

The impact of this CVE is significant, with successful exploitation potentially resulting in unauthorized access to critical data or providing complete access to all Oracle BI Publisher accessible data. The CVSS 3.1 Base Score is 7.5, highlighting the high confidentiality impact of this vulnerability.

Technical Details of CVE-2021-20657

This section delves into the technical aspects of CVE-2021-2400.

Vulnerability Description

The vulnerability in Oracle BI Publisher arises from a flaw in the E-Business Suite - XDO component, allowing unauthenticated attackers to compromise the system via HTTP access.

Affected Systems and Versions

The vulnerability impacts Oracle BI Publisher versions 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0, and 12.2.1.4.0.

Exploitation Mechanism

Attackers can exploit this vulnerability through network access via HTTP, potentially leading to unauthorized access or complete data compromise.

Mitigation and Prevention

This section outlines steps to mitigate and prevent the exploitation of CVE-2021-2400.

Immediate Steps to Take

To address this vulnerability, it is crucial to apply security patches promptly and restrict network access to minimize the risk of unauthorized exploitation.

Long-Term Security Practices

Implementing robust security measures, conducting regular security assessments, and maintaining up-to-date systems are essential for long-term security.

Patching and Updates

Regularly check for and apply security patches released by Oracle to safeguard against known vulnerabilities.