CVE-2019-20402 : Vulnerability Insights and Analysis
Learn about CVE-2019-20402, an improper authorization vulnerability in Atlassian Jira Server versions prior to 8.6.0, allowing unauthorized download of support zip files.
Atlassian Jira Server and Data Center versions prior to 8.6.0 had an improper authorization vulnerability that allowed System Administrator users to download support zip files without re-entering their password.
Understanding CVE-2019-20402
This CVE relates to an improper authorization issue in Atlassian Jira Server and Data Center.
What is CVE-2019-20402?
CVE-2019-20402 is a vulnerability in Atlassian Jira Server and Data Center versions before 8.6.0 that permitted System Administrator users to download support zip files without the need to re-enter their password, exposing a security flaw.
The Impact of CVE-2019-20402
The vulnerability could lead to unauthorized access to sensitive support zip files, potentially compromising the confidentiality of data stored in Jira Server and Data Center.
Technical Details of CVE-2019-20402
This section provides technical insights into the CVE.
Vulnerability Description
The vulnerability allowed System Administrator users to download support zip files without re-authenticating, posing a risk of unauthorized access to sensitive data.
Affected Systems and Versions
- Product: Jira Server
- Vendor: Atlassian
- Versions Affected: < 8.6.0 (unspecified version type)
Exploitation Mechanism
The vulnerability exploited an improper authorization process that omitted the requirement for System Administrators to re-enter their password when downloading support zip files.
Mitigation and Prevention
Protect your systems from CVE-2019-20402 with the following measures.
Immediate Steps to Take
- Upgrade Jira Server and Data Center to version 8.6.0 or newer to mitigate the vulnerability.
- Monitor and restrict access to support zip files to authorized personnel only.
Long-Term Security Practices
- Implement multi-factor authentication to enhance user verification processes.
- Regularly review and update access control policies to prevent unauthorized downloads.
Patching and Updates
- Stay informed about security patches and updates released by Atlassian for Jira Server to address vulnerabilities like CVE-2019-20402.