CVE-2021-2117 : Vulnerability Insights and Analysis

A vulnerability has been identified in the Oracle Application Express Survey Builder component of Oracle Database Server. Attackers with a Valid User Account privilege and network access via HTTP can exploit this vulnerability in versions prior to 20.2. Successful attacks can lead to unauthorized data access and manipulation within Oracle Application Express Survey Builder.

Understanding CVE-2021-2117

This CVE pertains to a vulnerability in Oracle Application Express Survey Builder, allowing unauthorized access to sensitive data.

What is CVE-2021-2117?

CVE-2021-2117 is a security vulnerability in Oracle Database Server's Application Express (APEX), specifically in the Survey Builder component. It allows low-privileged attackers to compromise the system via network access.

The Impact of CVE-2021-2117

The vulnerability results in unauthorized data manipulation within Oracle Application Express Survey Builder, potentially impacting data confidentiality and integrity. Successful attacks can lead to unauthorized data access and modification.

Technical Details of CVE-2021-2117

This section provides detailed technical information about the CVE-2021-2117 vulnerability.

Vulnerability Description

The vulnerability allows low-privileged attackers with network access via HTTP to compromise Oracle Application Express Survey Builder, potentially leading to unauthorized data access and manipulation.

Affected Systems and Versions

Oracle Database Server versions prior to 20.2 are affected by CVE-2021-2117, specifically impacting the Application Express (APEX) Survey Builder component.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging a Valid User Account privilege and network access via HTTP to compromise Oracle Application Express Survey Builder, affecting data accessibility and integrity.

Mitigation and Prevention

Protecting systems from CVE-2021-2117 involves taking immediate steps and implementing long-term security practices.

Immediate Steps to Take

Ensure that Oracle Database Server is updated to version 20.2 or higher to mitigate the CVE-2021-2117 vulnerability. Monitor access to sensitive data and restrict network privileges.

Long-Term Security Practices

Regularly update and patch Oracle Database Server to address security vulnerabilities. Implement access controls, network segmentation, and user training to enhance overall security posture.

Patching and Updates

Stay informed about security alerts and patches released by Oracle Corporation to address vulnerabilities like CVE-2021-2117, and apply updates promptly.