How severe is CVE-2021-4247?

CVE-2021-4247 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2021-4247 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-4247?

CVE-2021-4247 affects Owasp Nodegoat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-4247?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-4247 published?

CVE-2021-4247 was published on 2022-12-18 and last updated on 2026-06-17.

CVE-2021-4247

CVE-2021-4247 is a medium-severity vulnerability in Owasp Nodegoat with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-404.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-404
Affected product: Owasp Nodegoat
Published: 2022-12-18
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-4247?: CVE-2021-4247 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2021-4247 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-4247?: CVE-2021-4247 affects Owasp Nodegoat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-4247?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-4247 published?: CVE-2021-4247 was published on 2022-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:owasp:nodegoat:*:*:*:*:*:*:*:*

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