What is CVE-2021-4247?

CVE-2021-4247 is a medium-severity vulnerability in Owasp Nodegoat, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2022-12-18.

How severe is CVE-2021-4247?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Owasp Nodegoat

CVE-2021-4247

A vulnerability has been found in OWASP NodeGoat and classified as problematic. This vulnerability affects unknown code of the file app/routes/research.js of the component Query Parameter Handler. The manipulation leads to denial of service. The attack can be initiated remotely. The name of the patch is 4a4d1db74c63fb4ff8d366551c3af006c25ead12. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-216184.

Published 2022-12-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.010 (62.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000

Affected products

Owasp Nodegoat

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

References

github.com/OWASP/NodeGoat/issues/225 (Exploit, Patch, Third Party Advisory)
github.com/OWASP/NodeGoat/commit/4a4d1db74c63fb4ff8d366551c3af006c25ead12 (Patch, Third Party Advisory)
vuldb.com/ (Permissions Required, Third Party Advisory)

Frequently asked questions

What is CVE-2021-4247?: CVE-2021-4247 is a medium-severity vulnerability in Owasp Nodegoat, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2022-12-18.
How severe is CVE-2021-4247?: Medium severity. CVSS v3 base score is 4.3 out of 10.