CVE-2022-21353 : Security Advisory and Response

A vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware has been identified, allowing unauthenticated attackers to compromise the server and potentially cause a partial denial of service. Here is everything you need to know about CVE-2022-21353.

Understanding CVE-2022-21353

CVE-2022-21353 is a vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware that affects versions 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0. It allows unauthenticated attackers to exploit the server, potentially leading to unauthorized data access and a partial denial of service.

What is CVE-2022-21353?

The vulnerability in Oracle WebLogic Server allows attackers with network access via T3 to compromise the server. Successful exploitation can result in unauthorized data access and the ability to cause a partial denial of service. The CVSS 3.1 Base Score for this vulnerability is 6.5, indicating medium severity with Integrity and Availability impacts.

The Impact of CVE-2022-21353

Successful attacks on CVE-2022-21353 can allow unauthorized access to Oracle WebLogic Server data, including the ability to update, insert, or delete data. Attackers can also partially deny service to the server, impacting its availability.

Technical Details of CVE-2022-21353

The technical details of CVE-2022-21353 include:

Vulnerability Description

The vulnerability in Oracle WebLogic Server allows unauthenticated attackers with network access via T3 to compromise the server, leading to unauthorized data access and potential denial of service.

Affected Systems and Versions

CVE-2022-21353 affects Oracle WebLogic Server versions 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0. Organizations using these versions are at risk of exploitation and unauthorized data access.

Exploitation Mechanism

Attackers can exploit this vulnerability by accessing the server via T3 without authentication, potentially gaining unauthorized data access and causing a partial denial of service.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-21353, consider the following steps:

Immediate Steps to Take

Apply security patches provided by Oracle to address the vulnerability.
Monitor server logs for any unusual activities that could indicate exploitation.

Long-Term Security Practices

Regularly update Oracle WebLogic Server to ensure you have the latest security patches.
Implement network security measures to restrict unauthorized access to the server.

Patching and Updates

Stay informed about security updates and patches released by Oracle for Oracle WebLogic Server. Promptly apply these patches to ensure your server is protected against CVE-2022-21353.