CVE-2020-12286 Explained : Impact and Mitigation

In Octopus Deploy before 2019.12.9 and 2020 before 2020.1.12, the TaskView permission is not scoped to any dimension, allowing scoped users to view tasks across different tenants.

Understanding CVE-2020-12286

This CVE relates to a vulnerability in Octopus Deploy that affects the TaskView permission.

What is CVE-2020-12286?

The TaskView permission in Octopus Deploy is not properly scoped, enabling users with limited access to view tasks from other tenants.

The Impact of CVE-2020-12286

This vulnerability could lead to unauthorized access to sensitive information across different tenants within Octopus Deploy.

Technical Details of CVE-2020-12286

This section provides more technical insights into the CVE.

Vulnerability Description

The TaskView permission lacks proper scoping, allowing users to view tasks from tenants they are not authorized to access.

Affected Systems and Versions

Octopus Deploy versions before 2019.12.9 and 2020 before 2020.1.12

Exploitation Mechanism

Unauthorized users can exploit this vulnerability to view tasks from tenants other than their own.

Mitigation and Prevention

Protect your systems from CVE-2020-12286 with these steps:

Immediate Steps to Take

Upgrade Octopus Deploy to versions 2019.12.9 or 2020.1.12 or later.
Review and adjust TaskView permissions to ensure proper scoping.

Long-Term Security Practices

Regularly review and update permissions to prevent unauthorized access.
Conduct security training to educate users on proper data access practices.

Patching and Updates

Stay informed about security updates for Octopus Deploy and apply patches promptly.