CVE-2021-2386 Explained : Impact and Mitigation

This article provides details about CVE-2021-2386, a vulnerability found in the Primavera P6 Enterprise Project Portfolio Management product of Oracle Construction and Engineering, affecting versions 20.12.0 to 20.12.3.

Understanding CVE-2021-2386

CVE-2021-2386 is a vulnerability in Oracle's Primavera P6 Enterprise Project Portfolio Management, allowing a low privileged attacker to compromise the system via HTTP.

What is CVE-2021-2386?

The vulnerability in Primavera P6 Enterprise Project Portfolio Management (Web Access component) versions 20.12.0-20.12.3 enables unauthorized read access to a subset of data, posing a confidentiality risk.

The Impact of CVE-2021-2386

Successful exploitation can lead to unauthorized data access, with a CVSS 3.1 Base Score of 4.3 (Confidentiality impacts), making it a medium severity issue.

Technical Details of CVE-2021-2386

The technical details involve how the vulnerability can be described, the systems and versions affected, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows attackers with network access via HTTP to compromise Primavera P6 Enterprise Project Portfolio Management, resulting in unauthorized data access.

Affected Systems and Versions

Primavera P6 Enterprise Project Portfolio Management versions 20.12.0 to 20.12.3 are susceptible to this vulnerability.

Exploitation Mechanism

Attackers, even with low privileges, can exploit this vulnerability via network access using HTTP.

Mitigation and Prevention

To address CVE-2021-2386, immediate steps and long-term security practices are crucial along with applying necessary patches and updates.

Immediate Steps to Take

Security measures should include monitoring and restricting network access, especially via HTTP, to prevent unauthorized access.

Long-Term Security Practices

Enhancing access controls, regular security assessments, and user training can improve overall security posture against similar vulnerabilities.

Patching and Updates

Oracle provides patches and updates to mitigate CVE-2021-2386. Stay informed about security alerts and apply relevant patches promptly.