CVE-2020-4015 : What You Need to Know

Atlassian Crucible and Fisheye before 4.8.1 allow remote attackers to view user email addresses due to an information disclosure vulnerability.

Understanding CVE-2020-4015

This CVE involves an information disclosure vulnerability in Atlassian Crucible and Fisheye before version 4.8.1.

What is CVE-2020-4015?

The /json/fe/activeUserFinder.do resource in Atlassian Fisheye and Crucible before version 4.8.1 allows remote attackers to view user email addresses via an information disclosure vulnerability.

The Impact of CVE-2020-4015

This vulnerability could lead to unauthorized access to sensitive user email addresses, potentially compromising user privacy and security.

Technical Details of CVE-2020-4015

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in /json/fe/activeUserFinder.do in Atlassian Fisheye and Crucible before 4.8.1 allows remote attackers to access user email addresses.

Affected Systems and Versions

Product: Crucible
Vendor: Atlassian
Versions Affected: Less than 4.8.1
Product: Fisheye
Vendor: Atlassian
Versions Affected: Less than 4.8.1

Exploitation Mechanism

Attackers can exploit this vulnerability remotely to retrieve user email addresses, potentially using them for malicious purposes.

Mitigation and Prevention

Protecting systems from CVE-2020-4015 is crucial to maintaining security.

Immediate Steps to Take

Upgrade Atlassian Crucible and Fisheye to version 4.8.1 or higher to mitigate the vulnerability.
Monitor user accounts and email addresses for any suspicious activity.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement access controls to restrict unauthorized access to sensitive information.

Patching and Updates

Stay informed about security updates from Atlassian and apply patches promptly to address any new vulnerabilities.