CVE-2021-2050 : What You Need to Know

A vulnerability has been identified in the Oracle BI Publisher product of Oracle Fusion Middleware, allowing a low privileged attacker to compromise the system. This CVE affects multiple versions, potentially leading to unauthorized data access and partial denial of service.

Understanding CVE-2021-2050

This section provides insights into the nature and impact of CVE-2021-2050.

What is CVE-2021-2050?

The vulnerability in Oracle BI Publisher allows an attacker with network access via HTTP to compromise the system. Successful exploitation could result in unauthorized access to critical data, complete database access, unauthorized data manipulation, and partial denial of service.

The Impact of CVE-2021-2050

CVE-2021-2050 carries a CVSS 3.1 Base Score of 7.6, with high confidentiality and availability impacts. The vulnerability poses a severe threat to the security and integrity of Oracle BI Publisher systems.

Technical Details of CVE-2021-2050

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The flaw in Oracle BI Publisher allows a low privileged attacker to compromise the system via HTTP. This vulnerability can lead to unauthorized data access and partial denial of service.

Affected Systems and Versions

The vulnerability impacts versions 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0, and 12.2.1.4.0 of Oracle BI Publisher, posing a significant risk to systems operating on these versions.

Exploitation Mechanism

Attackers can exploit this vulnerability through network access via HTTP, making it relatively easy for low privileged individuals to compromise the system.

Mitigation and Prevention

This section outlines the necessary steps to mitigate the risks associated with CVE-2021-2050.

Immediate Steps to Take

Organizations should apply security patches provided by Oracle promptly to address the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Implementing robust security measures, such as network segmentation, access controls, and regular security assessments, can enhance the overall resilience against such vulnerabilities.

Patching and Updates

Regularly monitor and apply security updates released by Oracle to address known vulnerabilities and strengthen the security posture of Oracle BI Publisher systems.