CVE-2020-14883 : Security Advisory and Response

A vulnerability in Oracle WebLogic Server allows a high privileged attacker to compromise the server, potentially leading to a complete takeover.

Understanding CVE-2020-14883

This CVE involves a vulnerability in Oracle WebLogic Server that could be exploited by an attacker with network access via HTTP.

What is CVE-2020-14883?

The vulnerability in Oracle WebLogic Server, part of Oracle Fusion Middleware, affects 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. It allows a high privileged attacker to compromise the server, potentially resulting in a complete takeover.

The Impact of CVE-2020-14883

Successful exploitation of this vulnerability can lead to a complete takeover of the Oracle WebLogic Server. The CVSS 3.1 Base Score is 7.2, indicating high impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2020-14883

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Oracle WebLogic Server allows a high privileged attacker with network access via HTTP to compromise the server, potentially resulting in a complete takeover.

Affected Systems and Versions

Oracle WebLogic Server 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

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: None
Scope: Unchanged
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Mitigation and Prevention

Protecting systems from this vulnerability is crucial to prevent unauthorized access and server compromise.

Immediate Steps to Take

Apply security patches provided by Oracle promptly.
Monitor Oracle's security alerts for updates and advisories.

Long-Term Security Practices

Implement network security measures to restrict access to critical servers.
Regularly update and patch Oracle WebLogic Server to address known vulnerabilities.

Patching and Updates

Ensure all Oracle WebLogic Server instances are updated with the latest security patches.