CVE-2021-2141 Explained : Impact and Mitigation

A vulnerability has been discovered in the Oracle FLEXCUBE Direct Banking product of Oracle Financial Services Applications. This vulnerability, tracked as CVE-2021-2141, affects versions 12.0.2 and 12.0.3, allowing a high privileged attacker with network access to compromise the system.

Understanding CVE-2021-2141

This section delves into the details of the CVE-2021-2141 vulnerability.

What is CVE-2021-2141?

The vulnerability in the Oracle FLEXCUBE Direct Banking product allows unauthorized data access and manipulation by exploiting Oracle Net network access. A successful attack could lead to unauthorized actions on the system.

The Impact of CVE-2021-2141

Successful exploitation of this vulnerability can result in unauthorized access to sensitive data within the Oracle FLEXCUBE Direct Banking system. An attacker could potentially insert, update, or delete critical information.

Technical Details of CVE-2021-2141

This section covers the technical aspects of the CVE-2021-2141 vulnerability.

Vulnerability Description

The vulnerability is classified as difficult to exploit, requiring high privileges and network access via Oracle Net. It necessitates human interaction from a user other than the attacker to carry out successful attacks.

Affected Systems and Versions

The affected systems are running Oracle FLEXCUBE Direct Banking versions 12.0.2 and 12.0.3.

Exploitation Mechanism

Successful exploitation of this vulnerability allows a high privileged attacker to compromise the Oracle FLEXCUBE Direct Banking system, enabling unauthorized data manipulation.

Mitigation and Prevention

In this section, we outline the measures to mitigate and prevent the CVE-2021-2141 vulnerability.

Immediate Steps to Take

It is recommended to apply security patches provided by Oracle to address this vulnerability. Network segmentation and access controls can also help prevent unauthorized access.

Long-Term Security Practices

Maintain regular security updates and follow security best practices to reduce the risk of similar vulnerabilities in the future.

Patching and Updates

Keep the Oracle FLEXCUBE Direct Banking product updated with the latest security patches to ensure protection against known vulnerabilities.