CVE-2021-2049 : Exploit Details and Defense Strategies
Learn about CVE-2021-2049, a critical vulnerability in Oracle BI Publisher allowing unauthorized access and denial of service. Explore impacts, affected versions, and mitigation steps.
A detailed overview of CVE-2021-2049, a vulnerability in the Oracle BI Publisher product of Oracle Fusion Middleware.
Understanding CVE-2021-2049
In-depth analysis of the vulnerability affecting Oracle BI Publisher, with potential impacts and exploitability.
What is CVE-2021-2049?
CVE-2021-2049 is a vulnerability in Oracle BI Publisher that allows a low privileged attacker to compromise the system via HTTP access, potentially leading to unauthorized data access and partial denial of service.
The Impact of CVE-2021-2049
The vulnerability can result in unauthorized access to critical data, total data compromise, unauthorized data manipulation, and partial denial of service, posing a high risk to confidentiality and availability.
Technical Details of CVE-2021-2049
Exploring the specifics of the vulnerability, affected systems, and the exploitation process.
Vulnerability Description
The flaw in Oracle BI Publisher enables attackers with network access to exploit the system, compromising critical data and causing partial denial of service.
Affected Systems and Versions
Oracle BI Publisher versions 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0, and 12.2.1.4.0 are affected, highlighting the significance of the issue across various iterations.
Exploitation Mechanism
The vulnerability is easily exploitable via network access, allowing attackers to infiltrate the system through HTTP and perform unauthorized actions.
Mitigation and Prevention
Understanding the steps to mitigate the risks associated with CVE-2021-2049 and prevent potential exploits.
Immediate Steps to Take
Organizations should apply relevant security patches, monitor network traffic, and restrict access to mitigate the vulnerability's impact.
Long-Term Security Practices
Implementing robust security measures, conducting regular vulnerability assessments, and educating users about safe online practices are vital for long-term security.
Patching and Updates
Regularly updating Oracle BI Publisher and installing security patches provided by Oracle Corporation are crucial to safeguard systems.