CVE-2019-20412 : Vulnerability Insights and Analysis

In certain versions of Atlassian Jira Server and Data Center, an authentication flaw allows remote attackers to access specific details, such as workflows, project keys, issue keys, issue types, and status types.

Understanding CVE-2019-20412

This CVE involves an information disclosure vulnerability in Atlassian Jira Server and Data Center.

What is CVE-2019-20412?

The Convert Sub-Task to Issue page in affected versions of Atlassian Jira Server and Data Center allows remote attackers to enumerate sensitive information due to an Improper Authentication vulnerability.

The Impact of CVE-2019-20412

The vulnerability enables attackers to discover critical details, potentially leading to unauthorized access and data exposure.

Technical Details of CVE-2019-20412

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Atlassian Jira Server and Data Center allows attackers to access sensitive information, including workflow names, project keys, issue keys, issue types, and status types.

Affected Systems and Versions

Product: Jira Server
Vendor: Atlassian
Affected Versions:
Versions before 7.13.9
Version 8.0.0
Versions before 8.4.2

Exploitation Mechanism

Attackers can exploit this vulnerability remotely to gather specific details from the Convert Sub-Task to Issue page.

Mitigation and Prevention

Protecting systems from CVE-2019-20412 is crucial to maintaining security.

Immediate Steps to Take

Update Jira Server to a non-vulnerable version.
Monitor for any unauthorized access or data exposure.

Long-Term Security Practices

Regularly review and update security configurations.
Conduct security audits to identify vulnerabilities.

Patching and Updates

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