CVE-2020-14181 Explained : Impact and Mitigation

Atlassian Jira Server versions before 7.13.6, from 8.0.0 before 8.5.7, and from 8.6.0 before 8.12.0 are affected by an Information Disclosure vulnerability that allows unauthenticated users to enumerate users via the /ViewUserHover.jspa endpoint.

Understanding CVE-2020-14181

This CVE involves an Information Disclosure vulnerability in Atlassian Jira Server, potentially leading to user enumeration.

What is CVE-2020-14181?

The CVE-2020-14181 vulnerability in Atlassian Jira Server allows unauthorized users to gather user information through a specific endpoint.

The Impact of CVE-2020-14181

The vulnerability enables attackers to enumerate users, potentially aiding in further targeted attacks or information gathering.

Technical Details of CVE-2020-14181

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

Vulnerability Description

The vulnerability allows unauthenticated users to access user information through the /ViewUserHover.jspa endpoint.

Affected Systems and Versions

Atlassian Jira Server versions before 7.13.6
Atlassian Jira Server versions from 8.0.0 before 8.5.7
Atlassian Jira Server versions from 8.6.0 before 8.12.0

Exploitation Mechanism

Attackers can exploit this vulnerability by sending unauthorized requests to the /ViewUserHover.jspa endpoint to retrieve user details.

Mitigation and Prevention

Protecting systems from CVE-2020-14181 requires immediate actions and long-term security measures.

Immediate Steps to Take

Upgrade Atlassian Jira Server to versions 7.13.6, 8.5.7, or 8.12.0 to mitigate the vulnerability.
Monitor user enumeration attempts and unauthorized access to sensitive information.

Long-Term Security Practices

Implement strict access controls and authentication mechanisms to prevent unauthorized access.
Regularly update and patch Atlassian Jira Server to address security vulnerabilities.
Conduct security audits and assessments to identify and mitigate potential risks.
Educate users on security best practices to prevent information disclosure incidents.
Stay informed about security advisories and updates from Atlassian.

Patching and Updates

Ensure timely installation of security patches and updates provided by Atlassian to address known vulnerabilities and enhance system security.