CVE-2021-2378 : Security Advisory and Response
Learn about CVE-2021-2378, a critical vulnerability in Oracle WebLogic Server, allowing unauthorized network access. Discover the impact, affected versions, and mitigation steps.
A vulnerability has been identified in the Oracle WebLogic Server product of Oracle Fusion Middleware, with versions 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0 being affected. This vulnerability can be exploited by an unauthenticated attacker to compromise the Oracle WebLogic Server, potentially leading to a denial of service.
Understanding CVE-2021-2378
This section delves into the details of CVE-2021-2378, its impact, technical aspects, and mitigation strategies.
What is CVE-2021-2378?
CVE-2021-2378 is a vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware, allowing an unauthenticated attacker to compromise the server via T3 and IIOP protocols.
The Impact of CVE-2021-2378
Successful exploitation of this vulnerability can grant unauthorized access to disrupt the Oracle WebLogic Server, potentially causing a denial of service.
Technical Details of CVE-2021-2378
Here, we discuss the technical aspects of CVE-2021-2378, including its description, affected systems and versions, and exploitation mechanism.
Vulnerability Description
The vulnerability enables an unauthenticated attacker with network access to compromise Oracle WebLogic Server, leading to potential denial of service attacks.
Affected Systems and Versions
The versions affected by CVE-2021-2378 include 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0 of the Oracle WebLogic Server.
Exploitation Mechanism
The vulnerability can be exploited by an attacker with network access via T3 and IIOP protocols to compromise the Oracle WebLogic Server.
Mitigation and Prevention
In this section, we address the steps that can be taken to mitigate the risks associated with CVE-2021-2378 and prevent potential exploits.
Immediate Steps to Take
It is crucial to apply security patches provided by Oracle promptly and restrict network access to vulnerable servers to mitigate the risk.
Long-Term Security Practices
Regularly monitor security advisories from Oracle, maintain up-to-date security configurations, and conduct security assessments to ensure the server's protection.
Patching and Updates
Keep the Oracle WebLogic Server updated with the latest patches and security updates to address known vulnerabilities and enhance overall security posture.