What is CVE-2021-3223?

CVE-2021-3223 is a high-severity vulnerability in Nodered Node-Red-Dashboard, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-01-26.

How severe is CVE-2021-3223?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-3223 known to be exploited?

13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Nodered Node-Red-Dashboard

CVE-2021-3223

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

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.185 (97.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Nodered Node-red-dashboard
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2021-3223?: CVE-2021-3223 is a high-severity vulnerability in Nodered Node-Red-Dashboard, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-01-26.
How severe is CVE-2021-3223?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-3223 known to be exploited?: 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.