Is CVE-2021-4299 in the CISA KEV catalog?

No. CVE-2021-4299 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-4299?

CVE-2021-4299 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-4299?

CVE-2021-4299 has an EPSS score of 0.93% (56th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-4299?

Upgrade string kit to 0.12.8 or later.

CVE & CISA-KEV Catalog

CVE-2021-4299

MEDIUM

4.3

CVSS v3

NVD

Description

A vulnerability classified as problematic was found in cronvel string-kit up to 0.12.7. This vulnerability affects the function naturalSort of the file lib/naturalSort.js. The manipulation leads to inefficient regular expression complexity. The attack can be initiated remotely. Upgrading to version 0.12.8 is able to address this issue. The name of the patch is 9cac4c298ee92c1695b0695951f1488884a7ca73. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-217180.

CWE-1333

How to fix

Remediation Available

string kitNVD

Affected:< 0.12.8Fixed in:0.12.8CVE-2021-4299derived 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

0.93%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory3

Related Vulnerabilities

Other CWE-1333 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-3364	High	7.5	45%	-	Fix
CVE-2024-8124	High	7.5	40%	-	Fix
CVE-2024-25126	Medium	5.3	35%	-	Fix
CVE-2024-2651	Medium	6.5	33%	-	Fix
CVE-2021-32837	High	7.5	29%	-	Fix
CVE-2024-2829	High	7.5	26%	-	Fix

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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.