CVE-2021-41306 Explained : Impact and Mitigation

This CVE involves vulnerabilities in Atlassian Jira Server and Data Center that allow remote attackers to access sensitive information.

Understanding CVE-2021-41306

This CVE highlights an Insecure Direct Object References (IDOR) vulnerability in Atlassian Jira Server and Data Center versions.

What is CVE-2021-41306?

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to view private project and filter names through an IDOR vulnerability in the Average Time in Status Gadget.

The Impact of CVE-2021-41306

The vulnerability enables unauthorized access to sensitive project and filter names, potentially compromising the confidentiality of data within Jira Server and Data Center.

Technical Details of CVE-2021-41306

This section explores the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability stems from inadequate access control in the Average Time in Status Gadget, enabling attackers to bypass security measures and access private project and filter names.

Affected Systems and Versions

Jira Server: Versions before 8.13.12, from 8.14.0 to 8.20.0
Jira Data Center: Versions before 8.13.12, from 8.14.0 to 8.20.0

Exploitation Mechanism

The vulnerability can be exploited by remote attackers to directly reference and retrieve private project and filter names without proper authentication.

Mitigation and Prevention

Protecting systems against this CVE requires immediate action and long-term security practices.

Immediate Steps to Take

Update Atlassian Jira Server and Data Center to versions 8.13.12 or higher to address the vulnerability.
Monitor system logs for any suspicious activity that may indicate unauthorized access.

Long-Term Security Practices

Implement strict access controls and user permissions within Jira to limit exposure of sensitive data.
Regularly review and update security configurations to prevent similar vulnerabilities.

Patching and Updates

Apply security patches and updates provided by Atlassian promptly to ensure protection against known vulnerabilities.