CVE-2021-2116 Explained : Impact and Mitigation
Learn about CVE-2021-2116 affecting Oracle Application Express (APEX) versions prior to 20.2. Discover the impact, technical details, and mitigation steps for this vulnerability.
A vulnerability has been identified in the Oracle Application Express Opportunity Tracker component of Oracle Database Server that affects versions prior to 20.2. This vulnerability allows a low privileged attacker with a Valid User Account privilege and network access via HTTP to compromise Oracle Application Express Opportunity Tracker. Successful exploitation could lead to unauthorized access and manipulation of data. Here's what you need to know about CVE-2021-2116:
Understanding CVE-2021-2116
This section provides insights into the nature of the CVE-2021-2116 vulnerability.
What is CVE-2021-2116?
CVE-2021-2116 is a vulnerability affecting Oracle Application Express (APEX) prior to version 20.2. It is an easily exploitable vulnerability that allows a low privileged attacker with network access to compromise the Opportunity Tracker component.
The Impact of CVE-2021-2116
The vulnerability can result in unauthorized access to and manipulation of Oracle Application Express Opportunity Tracker data, potentially impacting additional products. It has a CVSS 3.1 Base Score of 5.4, with confidentiality and integrity impacts.
Technical Details of CVE-2021-2116
Explore the technical aspects of the CVE-2021-2116 vulnerability in this section.
Vulnerability Description
The vulnerability allows a low privileged attacker to exploit Oracle Application Express Opportunity Tracker, leading to unauthorized data access and manipulation.
Affected Systems and Versions
Oracle Application Express (APEX) versions prior to 20.2 are affected by this vulnerability.
Exploitation Mechanism
Successful attacks require a low privileged attacker with a Valid User Account privilege and network access via HTTP to exploit the vulnerability.
Mitigation and Prevention
Discover the steps to mitigate and prevent exploitation of CVE-2021-2116 in this section.
Immediate Steps to Take
Users should apply security patches provided by Oracle and restrict network access to reduce the risk of exploitation.
Long-Term Security Practices
Regularly update Oracle applications and databases, monitor for security alerts, and enforce the principle of least privilege to enhance overall security.
Patching and Updates
Stay informed about security updates and patches released by Oracle to address CVE-2021-2116 and other vulnerabilities.