CVE-2021-3223

Name: CVE-2021-3223
Creator: NVD / NIST
Published: 2021-01-26T18:16:28.757+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 16.50%

Last modified Jun 17, 2026

CVE-2021-3223 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Node-RED-Dashboard before 2.26.2 allows ui_base/js/..%2f directory traversal to read files.. EPSS estimates a 16.50% chance of exploitation in the next 30 days.

Description

Node-RED-Dashboard before 2.26.2 allows ui_base/js/..%2f directory traversal to read files.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

16.50%

96.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Nodered	Node-Red-Dashboard	< 2.26.2

References

https://github.com/node-red/node-red-dashboard/issues/669Third Party Advisory
https://github.com/node-red/node-red-dashboard/releases/tag/2.26.2Release Notes, Third Party Advisory
https://github.com/node-red/node-red-dashboard/issues/669Third Party Advisory
https://github.com/node-red/node-red-dashboard/releases/tag/2.26.2Release Notes, Third Party Advisory

Timeline

Published: Jan 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3223?

Node-RED-Dashboard before 2.26.2 allows ui_base/js/..%2f directory traversal to read files.

How severe is CVE-2021-3223?

CVE-2021-3223 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 16.50% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3223?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3223?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST