CVE-2021-2000 : What You Need to Know

A vulnerability in the Unified Audit component of Oracle Database Server has been identified with multiple affected versions including 12.1.0.2, 12.2.0.1, 18c, and 19c. This vulnerability could allow a high privileged attacker with SYS Account privilege and network access via Oracle Net to compromise Unified Audit.

Understanding CVE-2021-2000

This section provides insights into the nature and impact of the CVE-2021-2000 vulnerability.

What is CVE-2021-2000?

The CVE-2021-2000 vulnerability exists in the Unified Audit component of Oracle Database Server. It is considered an easily exploitable vulnerability that allows a high privileged attacker with specific privileges to compromise the Unified Audit, potentially leading to unauthorized access to critical data.

The Impact of CVE-2021-2000

Successful exploitation of this vulnerability could result in unauthorized update, insert, or delete access to some of the Unified Audit data. The CVSS 3.1 Base Score for this vulnerability is 2.4 with integrity impacts.

Technical Details of CVE-2021-2000

In this section, the technical aspects of CVE-2021-2000 are discussed.

Vulnerability Description

The vulnerability allows a high privileged attacker with SYS Account privilege and network access via Oracle Net to compromise Unified Audit, potentially gaining unauthorized access to critical data.

Affected Systems and Versions

The affected systems include Oracle Database Server Enterprise Edition versions 12.1.0.2, 12.2.0.1, 18c, and 19c.

Exploitation Mechanism

Successful attacks on this vulnerability require human interaction from individuals other than the attackers, and they can lead to unauthorized data access within the Unified Audit.

Mitigation and Prevention

This section outlines the steps to mitigate and prevent exploitation of CVE-2021-2000.

Immediate Steps to Take

It is recommended to apply security patches provided by Oracle promptly to address this vulnerability. Additionally, restricting network access and privileges can help mitigate the risk.

Long-Term Security Practices

Regular security updates, monitoring for any unusual activities within Unified Audit, and maintaining least privilege access can enhance long-term security.

Patching and Updates

Oracle has released security updates addressing CVE-2021-2000. Ensure that your Oracle Database Server is updated with the latest patches and follow best practices for secure database management.