CVE-2020-36237 : Vulnerability Insights and Analysis

Atlassian Jira Server and Data Center versions before 8.15.0 are vulnerable to an Information Disclosure flaw that allows unauthenticated remote attackers to access custom field options.

Understanding CVE-2020-36237

This CVE involves an Information Disclosure vulnerability in Atlassian Jira Server and Data Center, potentially exposing sensitive data.

What is CVE-2020-36237?

The CVE-2020-36237 vulnerability in Atlassian Jira Server and Data Center enables unauthorized remote attackers to view custom field options through a specific endpoint.

The Impact of CVE-2020-36237

The vulnerability poses a risk of exposing confidential custom field options to malicious actors, compromising data confidentiality and potentially leading to further security breaches.

Technical Details of CVE-2020-36237

This section provides detailed technical insights into the CVE-2020-36237 vulnerability.

Vulnerability Description

The flaw allows unauthenticated remote attackers to access custom field options via the /rest/api/2/customFieldOption/ endpoint in affected versions of Atlassian Jira Server and Data Center.

Affected Systems and Versions

Product: Jira Server
Vendor: Atlassian
Versions Affected: Before 8.15.0
Product: Jira Data Center
Vendor: Atlassian
Versions Affected: Before 8.15.0

Exploitation Mechanism

Attackers can exploit this vulnerability remotely without authentication, gaining unauthorized access to custom field options.

Mitigation and Prevention

Protect your systems from CVE-2020-36237 with the following measures:

Immediate Steps to Take

Upgrade Atlassian Jira Server and Data Center to version 8.15.0 or newer.
Monitor and restrict access to the /rest/api/2/customFieldOption/ endpoint.

Long-Term Security Practices

Regularly update and patch Atlassian products to mitigate known vulnerabilities.
Implement access controls and authentication mechanisms to prevent unauthorized access.

Patching and Updates

Apply security patches and updates provided by Atlassian promptly to address CVE-2020-36237 and other potential vulnerabilities.