CVE-2021-2456 Explained : Impact and Mitigation

A critical vulnerability has been discovered in the Oracle Business Intelligence Enterprise Edition that allows an unauthenticated attacker to compromise the system with a high CVSS score of 9.8.

Understanding CVE-2021-2456

This CVE highlights a security flaw in the Oracle Fusion Middleware's Business Intelligence Enterprise Edition, specifically in the Analytics Web General component.

What is CVE-2021-2456?

The vulnerability in Oracle Business Intelligence Enterprise Edition version 12.2.1.4.0 allows an attacker to exploit the system via HTTP, potentially leading to a complete takeover of the affected application.

The Impact of CVE-2021-2456

With a CVSS 3.1 Base Score of 9.8, the confidentiality, integrity, and availability of the system are at high risk. An unauthenticated attacker can compromise sensitive information, manipulate data integrity, and disrupt services.

Technical Details of CVE-2021-2456

The technical details provide insights into the specifics of the vulnerability and its potential exploitation.

Vulnerability Description

The vulnerability in Oracle Business Intelligence Enterprise Edition arises from an easily exploitable flaw that allows unauthorized access via HTTP, resulting in a complete system compromise.

Affected Systems and Versions

The impacted system is Oracle Business Intelligence Enterprise Edition version 12.2.1.4.0. Users of this version are advised to take immediate action to prevent exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely via the network without requiring any privileges, making it critical for organizations to address the issue promptly.

Mitigation and Prevention

To safeguard systems from CVE-2021-2456, proactive measures need to be implemented to mitigate risks and prevent unauthorized access.

Immediate Steps to Take

Organizations should apply security patches provided by Oracle promptly and restrict network access to vulnerable systems to minimize the risk of exploitation.

Long-Term Security Practices

Implementing robust security measures, conducting regular security assessments, and monitoring network traffic are essential for maintaining a secure environment.

Patching and Updates

Regularly updating software and patching known vulnerabilities is crucial to enhancing system security and preventing potential attacks.