Is CVE-2021-4247 in the CISA KEV catalog?

No. CVE-2021-4247 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-4247?

CVE-2021-4247 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-4247?

CVE-2021-4247 has an EPSS score of 1.01% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-4247?

Upgrade nodegoat to 2021-01-26 or later.

CVE & CISA-KEV Catalog

CVE-2021-4247

MEDIUM

4.3

CVSS v3

NVD

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.

CWE-404

How to fix

Remediation Available

nodegoatNVD

Affected:< 2021-01-26Fixed in:2021-01-26CVE-2021-4247derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

1.01%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Patch2

Third-Party Advisory1

vuldb.com

Related Vulnerabilities

Other CWE-404 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-44267	Medium	6.5	77%	-	Fix
CVE-2018-8120	High	7.0	74%	KEV + Ransom	-
CVE-2018-8210	High	7.8	25%	-	-
CVE-2018-8639	High	7.8	22%	KEV + Ransom	-
CVE-2023-3206	Medium	5.3	19%	-	-
CVE-2018-8450	High	8.8	16%	-	-

Embed a live status badge for CVE-2021-4247

Markdown

[![CVE-2021-4247](https://tridentstack.com/cve/badge/CVE-2021-4247.svg)](https://tridentstack.com/cve/CVE-2021-4247)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-4247"><img src="https://tridentstack.com/cve/badge/CVE-2021-4247.svg" alt="CVE-2021-4247"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.