CVE-2021-2460 : What You Need to Know

A vulnerability has been identified in the Oracle Application Express Data Reporter component of the Oracle Database Server. The vulnerability affects versions prior to 21.1.0.00.04, allowing a low-privileged attacker with a valid user account and network access via HTTP to compromise Oracle Application Express Data Reporter.

Understanding CVE-2021-2460

This section delves into the details of the CVE-2021-2460 vulnerability.

What is CVE-2021-2460?

The vulnerability in the Oracle Application Express Data Reporter component of the Oracle Database Server allows unauthorized access to data, potentially leading to unauthorized updates, inserts, deletes, or reads of accessible data.

The Impact of CVE-2021-2460

Successful exploitation of this vulnerability can result in unauthorized access and manipulation of Oracle Application Express Data Reporter accessible data, impacting the confidentiality and integrity of the data. The CVSS 3.1 Base Score is 5.4 (Medium severity), indicating low impacts on confidentiality and integrity.

Technical Details of CVE-2021-2460

Let's explore the technical aspects of CVE-2021-2460 further.

Vulnerability Description

The vulnerability allows a low-privileged attacker with a valid user account and network access via HTTP to compromise Oracle Application Express Data Reporter, potentially leading to unauthorized data access and manipulation.

Affected Systems and Versions

The vulnerability affects Oracle Application Express (APEX) versions prior to 21.1.0.00.04.

Exploitation Mechanism

Successful exploitation requires low privileges, a valid user account, and network access via HTTP, with human interaction necessary from a separate person.

Mitigation and Prevention

In this section, we'll discuss mitigation strategies to address CVE-2021-2460.

Immediate Steps to Take

It is recommended to update Oracle Application Express to version 21.1.0.00.04 or later to mitigate this vulnerability. Ensure that only trusted users have permissions to access and interact with Oracle Application Express Data Reporter.

Long-Term Security Practices

Implement strict user access controls, regularly monitor and audit user activities, conduct security awareness training for users, and stay informed about security updates and patches released by Oracle.

Patching and Updates

Regularly check for security updates and patches from Oracle to address vulnerabilities and ensure the secure operation of Oracle Application Express Data Reporter.