CVE-2021-43951 Explained : Impact and Mitigation
Learn about CVE-2021-43951 affecting Atlassian Jira Service Management Server and Data Center. Find out how authenticated remote attackers can view object import configuration details and the necessary mitigation steps.
This CVE-2021-43951 affects Atlassian Jira Service Management Server and Data Center, allowing authenticated remote attackers to access object import configuration details.
Understanding CVE-2021-43951
What is CVE-2021-43951?
Affected versions of Atlassian Jira Service Management Server and Data Center before version 4.21.0 have an Information Disclosure vulnerability, enabling authenticated remote attackers to view object import configuration details.
The Impact of CVE-2021-43951
This vulnerability allows unauthorized access to sensitive object import configuration details, potentially leading to further exploitation of the system.
Technical Details of CVE-2021-43951
Vulnerability Description
The vulnerability in the Create Object type mapping feature permits authenticated remote attackers to view object import configuration details.
Affected Systems and Versions
- Product: Jira Service Management Server
- Vendor: Atlassian
- Versions Affected: < 4.21.0
- Product: Jira Service Management Data Center
- Vendor: Atlassian
- Versions Affected: < 4.21.0
Exploitation Mechanism
The vulnerability occurs due to improper authorization, allowing authenticated attackers to exploit the Create Object type mapping feature.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade Jira Service Management Server and Data Center to version 4.21.0 or later.
- Monitor and restrict access to sensitive configuration details.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify vulnerabilities.
- Educate users on secure configuration practices and data access policies.
Patching and Updates
Ensure timely installation of security patches and updates provided by Atlassian to address the disclosed vulnerability.