CVE-2023-21993 : Security Advisory and Response

This article provides detailed information about CVE-2023-21993, a vulnerability in Oracle Clinical Remote Data Capture Option.

Understanding CVE-2023-21993

CVE-2023-21993 refers to a vulnerability in the Oracle Clinical Remote Data Capture product of Oracle Health Sciences Applications. This vulnerability can be exploited by a low-privileged attacker with network access via HTTP, potentially leading to unauthorized access to critical data or complete access to all Oracle Clinical Remote Data Capture accessible data.

What is CVE-2023-21993?

The vulnerability in the Oracle Clinical Remote Data Capture product affects version 5.4.0.2. It is classified as an easily exploitable vulnerability that allows unauthorized access to sensitive data.

The Impact of CVE-2023-21993

Successful exploitation of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Clinical Remote Data Capture accessible data. The CVSS 3.1 Base Score for this vulnerability is 6.5, with a confidentiality impact.

Technical Details of CVE-2023-21993

This section delves into the technical aspects of the CVE-2023-21993 vulnerability, including its description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in Oracle Clinical Remote Data Capture (component: Forms) allows a low-privileged attacker with network access via HTTP to compromise the system. This can lead to unauthorized access to critical data or complete access to all accessible data within the application.

Affected Systems and Versions

The vulnerability affects the Oracle Clinical Remote Data Capture product version 5.4.0.2.

Exploitation Mechanism

The vulnerability is easily exploitable by a low-privileged attacker with network access via HTTP.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2023-21993, immediate steps should be taken in addition to maintaining long-term security practices and keeping systems updated with the necessary patches.

Immediate Steps to Take

Organizations should assess the impact of the vulnerability on their system.
Implement access controls and user privileges to limit unauthorized access.
Monitor network traffic and access logs for any suspicious activity.

Long-Term Security Practices

Regular security assessments and vulnerability scans should be conducted.
Employee training on security best practices to enhance awareness.
Implement multi-factor authentication and encryption for sensitive data.

Patching and Updates

Oracle Corporation may release patches or updates to address the vulnerability. It is recommended to apply these patches promptly after thorough testing to ensure system integrity.