CVE-2021-41307 : Vulnerability Insights and Analysis

On October 25, 2021, Atlassian disclosed a vulnerability affecting Jira Server and Data Center versions.

Understanding CVE-2021-41307

What is CVE-2021-41307?

Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to view private project and filter names due to an Insecure Direct Object References (IDOR) vulnerability.

The Impact of CVE-2021-41307

This vulnerability could result in unauthorized access to sensitive project and filter information, compromising confidentiality.

Technical Details of CVE-2021-41307

Vulnerability Description

The vulnerability lies in the Workload Pie Chart Gadget, permitting attackers to access private project and filter names.

Affected Systems and Versions

Atlassian Jira Server versions before 8.13.12 and from 8.14.0 to 8.20.0
Atlassian Jira Data Center versions before 8.13.12 and from 8.14.0 to 8.20.0

Exploitation Mechanism

Attackers exploit an Insecure Direct Object References (IDOR) flaw to gain access to private project and filter names.

Mitigation and Prevention

Immediate Steps to Take

Upgrade Jira Server and Data Center to versions 8.13.12 or 8.20.0 to mitigate the vulnerability.
Monitor for unauthorized access to private project and filter names.

Long-Term Security Practices

Regularly review and adjust project permissions to restrict access.
Conduct security training to increase awareness of IDOR vulnerabilities.

Patching and Updates

Apply security patches promptly to ensure systems are protected from known vulnerabilities.