CVE-2021-41305 : What You Need to Know

CVE-2021-41305 affects Atlassian Jira Server and Data Center, allowing remote attackers to view private project names and filters. The vulnerability arises from an Insecure Direct Object References (IDOR) flaw.

Understanding CVE-2021-41305

This CVE impacts vulnerable versions of Atlassian Jira Server and Data Center, enabling unauthorized access to private project information.

What is CVE-2021-41305?

The vulnerability in Atlassian Jira Server and Data Center permits anonymous remote attackers to reveal private project names and filter details.

The Impact of CVE-2021-41305

Unauthorized disclosure of private project names and filters
Potential leakage of sensitive information

Technical Details of CVE-2021-41305

The vulnerability description, affected systems, and exploitation mechanism are detailed below.

Vulnerability Description

The flaw allows unauthorized users to access private project and filter names through an insecure direct object reference in the Average Number of Times in Status Gadget.

Affected Systems and Versions

Product: Jira Server
Vendor: Atlassian
Versions Affected: Before 8.13.12 (unspecified)
Product: Jira Data Center
Vendor: Atlassian
Versions Affected: Before 8.13.12 (unspecified)

Exploitation Mechanism

The vulnerability is exploited by leveraging the Insecure Direct Object References (IDOR) in the Average Number of Times in Status Gadget.

Mitigation and Prevention

Protect your systems by taking immediate steps and implementing long-term security practices.

Immediate Steps to Take

Update Atlassian Jira Server and Data Center to version 8.13.12 or higher
Restrict access to private project information

Long-Term Security Practices

Regularly monitor and audit access to sensitive data
Educate users on secure data handling practices
Implement network segmentation and user access controls

Patching and Updates

Apply patches provided by Atlassian promptly to address the vulnerability and enhance system security.