CVE-2021-2156 Explained : Impact and Mitigation

A vulnerability has been discovered in the Oracle Customers Online product of Oracle E-Business Suite, affecting versions 12.1.3 and 12.2.3-12.2.10. This vulnerability could allow a low privileged attacker to compromise Oracle Customers Online.

Understanding CVE-2021-2156

This section will provide insights into the nature and impact of the CVE-2021-2156 vulnerability.

What is CVE-2021-2156?

The vulnerability in the Oracle Customers Online product allows an attacker with network access via HTTP to compromise the system. It has a CVSS 3.1 Base Score of 8.1 (Confidentiality and Integrity impacts).

The Impact of CVE-2021-2156

Successful exploitation of this vulnerability can lead to unauthorized access to critical data, unauthorized creation, deletion, or modification of critical data, and full access to all Oracle Customers Online accessible data.

Technical Details of CVE-2021-2156

This section will dive into the technical aspects of the CVE-2021-2156 vulnerability.

Vulnerability Description

The vulnerability in Oracle Customers Online allows a low privileged attacker to compromise the system via HTTP.

Affected Systems and Versions

Oracle E-Business Suite versions 12.1.3 and 12.2.3-12.2.10 are affected by this vulnerability.

Exploitation Mechanism

The vulnerability is easily exploitable, allowing attackers with network access to compromise Oracle Customers Online.

Mitigation and Prevention

Learn about the steps to mitigate and prevent the exploitation of CVE-2021-2156.

Immediate Steps to Take

It is recommended to apply patches provided by Oracle promptly to address this vulnerability.

Long-Term Security Practices

Implement strong network security measures and access controls to prevent unauthorized access.

Patching and Updates

Regularly check for security updates from Oracle to ensure system integrity.