CVE-2021-3223 Scanner

Node-RED-Dashboard is a web-based application that allows users to visualize, interact, and control their Internet of Things (IoT) devices. Specifically, it is used to create customizable dashboards that display real-time data and status updates. With Node-RED-Dashboard, users can build custom node-red flows, easily connect to different IoT devices, and create fully functional interfaces to monitor and manage their connected devices.

Recently, a vulnerability was detected in Node-RED-Dashboard, which has been assigned the code CVE-2021-3223. This specific vulnerability pertains to directory traversal, wherein an attacker could potentially read files by exploiting a flaw in the application's file system. In essence, this vulnerability allows an attacker to access prohibitive areas of the file system, gaining unauthorized access through an over-permissive configuration.

If this vulnerability were to be successfully exploited, it could lead to a number of dangerous consequences. For instance, sensitive information stored in the impacted files may be exposed, compromised, or exfiltrated. Additionally, this exploit may serve as a pivot point for further exploitations, leading to the complete compromise of the system.

In conclusion, Node-RED-Dashboard is a powerful tool for IoT device management, but like any software solution, it can be subject to vulnerabilities. CVE-2021-3223 serves as a reminder of the importance of staying vigilant when it comes to web application security. s4e.io offers a pro feature that can simplify this process by providing ongoing vulnerability assessments and actionable remediations for digital assets. By subscribing to this feature, users can be confident that their web applications are free from vulnerabilities and can be safely used to manage and monitor connected devices.

REFERENCES

• https://github.com/node-red/node-red-dashboard/issues/669
• https://github.com/node-red/node-red-dashboard/releases/tag/2.26.2