CVE-2021-2404 : Exploit Details and Defense Strategies

A critical vulnerability has been discovered in the PeopleSoft Enterprise HCM Candidate Gateway product of Oracle PeopleSoft. This CVE-2021-2404 affects version 9.2 and poses a significant risk to the confidentiality and integrity of data.

Understanding CVE-2021-2404

This section will cover the details of the CVE-2021-2404 vulnerability, its impact, technical description, affected systems, and preventive measures.

What is CVE-2021-2404?

CVE-2021-2404 is a vulnerability found in the PeopleSoft Enterprise HCM Candidate Gateway product of Oracle PeopleSoft, particularly related to e-mail notifications. This flaw allows unauthenticated attackers to compromise the system via HTTP, potentially leading to unauthorized data access and manipulation.

The Impact of CVE-2021-2404

The vulnerability has a CVSS 3.1 Base Score of 6.5, indicating medium severity. It can result in unauthorized access to sensitive data within the PeopleSoft Enterprise HCM Candidate Gateway, including the ability to make unauthorized changes or view select data.

Technical Details of CVE-2021-2404

Let's delve into the technical aspects of CVE-2021-2404 to understand the vulnerability better.

Vulnerability Description

The flaw allows unauthenticated attackers to exploit the system via HTTP, potentially gaining unauthorized access to and control over data within the PeopleSoft Enterprise HCM Candidate Gateway.

Affected Systems and Versions

The vulnerability affects version 9.2 of the PeopleSoft Enterprise HCM Candidate Gateway product from Oracle Corporation.

Exploitation Mechanism

Attackers with network access can exploit this vulnerability via HTTP, compromising the system and gaining unauthorized data access.

Mitigation and Prevention

To safeguard your system from CVE-2021-2404, certain immediate steps need to be taken along with long-term security practices and adherence to patching protocols.

Immediate Steps to Take

It is crucial to apply security patches provided by Oracle promptly. Additionally, monitor network traffic for any suspicious activity and restrict access to critical systems.

Long-Term Security Practices

Implement rigorous access control measures, conduct regular security audits, and provide security awareness training to mitigate similar risks in the future.

Patching and Updates

Regularly check for security updates from Oracle and apply them as soon as they are released to address known vulnerabilities effectively.