CVE-2019-20411 Explained : Impact and Mitigation

A Cross-site request forgery (CSRF) vulnerability in certain versions of Atlassian Jira Server and Data Center allows remote attackers to alter Wallboard settings. This vulnerability affects versions earlier than 7.13.9 and versions ranging from 8.0.0 to 8.4.2.

Understanding CVE-2019-20411

This CVE involves a security vulnerability in Atlassian Jira Server that enables attackers to perform unauthorized actions through CSRF attacks.

What is CVE-2019-20411?

CVE-2019-20411 is a Cross-site request forgery (CSRF) vulnerability found in specific versions of Atlassian Jira Server and Data Center, allowing attackers to manipulate Wallboard settings remotely.

The Impact of CVE-2019-20411

The vulnerability permits remote threat actors to modify Wallboard settings, potentially leading to unauthorized changes and data manipulation within affected Jira Server instances.

Technical Details of CVE-2019-20411

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The CSRF flaw in Atlassian Jira Server and Data Center versions prior to 7.13.9 and between 8.0.0 to 8.4.2 allows attackers to forge requests to alter Wallboard settings without proper authorization.

Affected Systems and Versions

Product: Jira Server
Vendor: Atlassian
Vulnerable Versions:
Versions less than 7.13.9
Versions 8.0.0 to 8.4.2

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking authenticated users into visiting a malicious website or clicking on a crafted link, leading to unauthorized changes in Wallboard settings.

Mitigation and Prevention

Protecting systems from CVE-2019-20411 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Jira Server to a patched version that addresses the CSRF vulnerability.
Monitor and restrict access to Wallboard settings to authorized personnel only.

Long-Term Security Practices

Implement regular security training for users to recognize and avoid CSRF attacks.
Employ network security measures to detect and block malicious requests targeting Wallboard settings.

Patching and Updates

Apply security patches provided by Atlassian promptly to mitigate the CSRF vulnerability in Jira Server.