CVE-2021-2047 : Vulnerability Insights and Analysis
Learn about CVE-2021-2047, a critical vulnerability in Oracle WebLogic Server allowing unauthenticated attackers to compromise the server, potentially leading to a complete takeover. Find out about the impact, affected versions, and mitigation steps.
This article provides detailed information about CVE-2021-2047, a vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware affecting versions 10.3.6.0.0, 12.1.3.0.0, and 12.2.1.3.0.
Understanding CVE-2021-2047
CVE-2021-2047 is a critical vulnerability in Oracle WebLogic Server that allows an unauthenticated attacker with network access via IIOP, T3 to compromise the server, potentially leading to a complete takeover.
What is CVE-2021-2047?
The vulnerability in Oracle WebLogic Server allows attackers to exploit network access via IIOP, T3 without authentication, potentially resulting in a complete system compromise.
The Impact of CVE-2021-2047
Successful exploitation of this vulnerability can lead to a takeover of the Oracle WebLogic Server, affecting confidentiality, integrity, and availability with a CVSS 3.1 Base Score of 9.8.
Technical Details of CVE-2021-2047
CVE-2021-2047 is characterized by its low attack complexity, network-based attack vector, and high impact on availability, confidentiality, and integrity.
Vulnerability Description
The vulnerability in Oracle WebLogic Server allows unauthenticated attackers to compromise the server via IIOP, T3, potentially resulting in a complete system takeover.
Affected Systems and Versions
The affected systems include Oracle WebLogic Server versions 10.3.6.0.0, 12.1.3.0.0, and 12.2.1.3.0.
Exploitation Mechanism
Attackers exploit this vulnerability through network access via IIOP and T3 without the need for authentication, allowing them to compromise the Oracle WebLogic Server.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-2047, users are advised to take immediate steps, implement long-term security practices, and stay updated on patching.
Immediate Steps to Take
Users should apply security patches provided by Oracle promptly, restrict network access, and monitor for any unauthorized activity.
Long-Term Security Practices
Implement robust access controls, network segmentation, and regular security audits to prevent unauthorized access and detect potential vulnerabilities.
Patching and Updates
Regularly update Oracle WebLogic Server to the latest versions and security patches to address known vulnerabilities and enhance overall system security.