CVE-2021-2091 Explained : Impact and Mitigation

This article provides detailed information about CVE-2021-2091, a vulnerability in the Oracle Scripting product of Oracle E-Business Suite that can allow unauthorized access to critical data.

Understanding CVE-2021-2091

CVE-2021-2091 is a vulnerability in the Oracle Scripting product of Oracle E-Business Suite which impacts versions 12.1.1-12.1.3 and 12.2.3-12.2.10. It is classified as a high severity vulnerability.

What is CVE-2021-2091?

The vulnerability in the Oracle Scripting product of Oracle E-Business Suite allows an unauthenticated attacker to compromise Oracle Scripting via HTTP. Successful exploitation may lead to unauthorized access to critical data and unauthorized operations on Oracle Scripting accessible data.

The Impact of CVE-2021-2091

The vulnerability has a CVSS 3.1 Base Score of 8.2, with high impacts on confidentiality and integrity. Successful attacks can result in unauthorized access to critical data or complete access to all Oracle Scripting accessible data.

Technical Details of CVE-2021-2091

CVE-2021-2091 has an attack vector of NETWORK with low attack complexity. The vulnerability does not require privileges and user interaction is required for successful exploitation.

Vulnerability Description

The vulnerability allows an unauthenticated attacker to compromise Oracle Scripting via HTTP, potentially leading to unauthorized access to critical data.

Affected Systems and Versions

The affected versions are 12.1.1-12.1.3 and 12.2.3-12.2.10 of the Oracle Scripting product in Oracle E-Business Suite.

Exploitation Mechanism

Successful attacks require human interaction from a person other than the attacker and may impact additional products besides Oracle Scripting.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-2091, immediate steps need to be taken followed by implementing long-term security practices and applying necessary patches and updates.

Immediate Steps to Take

Organizations should evaluate the impact of the vulnerability, restrict network access, and monitor for any unauthorized activities.

Long-Term Security Practices

Implement network segmentation, regularly update security configurations, conduct security trainings, and perform periodic security assessments.

Patching and Updates

Apply the patches provided by Oracle Corporation to address the vulnerability and enhance the security of the affected systems and versions.