CVE-2019-20416 Explained : Impact and Mitigation
Learn about CVE-2019-20416, a cross site scripting (XSS) vulnerability in Atlassian Jira Server and Data Center versions before 8.3.0, enabling remote attackers to inject arbitrary HTML or JavaScript.
A cross site scripting (XSS) vulnerability in the project configuration feature of Atlassian Jira Server and Data Center versions before 8.3.0 allows remote attackers to inject arbitrary HTML or JavaScript.
Understanding CVE-2019-20416
This CVE involves a security vulnerability in Atlassian Jira Server and Data Center that enables remote attackers to perform cross-site scripting attacks.
What is CVE-2019-20416?
CVE-2019-20416 is a cross site scripting (XSS) vulnerability in Atlassian Jira Server and Data Center versions prior to 8.3.0, allowing malicious actors to inject arbitrary HTML or JavaScript code.
The Impact of CVE-2019-20416
The vulnerability permits remote attackers to execute XSS attacks, potentially leading to unauthorized access, data theft, and other security breaches.
Technical Details of CVE-2019-20416
This section provides detailed technical information about the CVE.
Vulnerability Description
The vulnerability in Atlassian Jira Server and Data Center versions before 8.3.0 allows remote attackers to inject arbitrary HTML or JavaScript code through the project configuration feature, facilitating XSS attacks.
Affected Systems and Versions
- Product: Jira Server
- Vendor: Atlassian
- Versions Affected: Before 8.3.0
- Version Type: Custom
Exploitation Mechanism
The vulnerability can be exploited remotely by injecting malicious HTML or JavaScript code through the project configuration feature, enabling attackers to execute XSS attacks.
Mitigation and Prevention
Protect your systems and data from CVE-2019-20416 with the following measures:
Immediate Steps to Take
- Update Jira Server and Data Center to version 8.3.0 or later to mitigate the vulnerability.
- Implement input validation and output encoding to prevent XSS attacks.
Long-Term Security Practices
- Regularly monitor and audit your systems for vulnerabilities.
- Educate users on safe browsing habits and the risks of XSS attacks.
Patching and Updates
- Stay informed about security updates and patches released by Atlassian.