7.5
HIGH
CVE-2021-4299
CRONvel String-Kit Inefficient Regular Expression Complexity Remote Vulnerability
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.

INFO

Published Date :

Jan. 2, 2023, 8:15 a.m.

Last Modified :

Nov. 21, 2024, 6:37 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-4299 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 String_kit_project string_kit
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-4299.

URL Resource
https://github.com/cronvel/string-kit/commit/9cac4c298ee92c1695b0695951f1488884a7ca73 Patch Third Party Advisory
https://github.com/cronvel/string-kit/releases/tag/v0.12.8 Release Notes Third Party Advisory
https://vuldb.com/?ctiid.217180 Third Party Advisory
https://vuldb.com/?id.217180 Third Party Advisory
https://github.com/cronvel/string-kit/commit/9cac4c298ee92c1695b0695951f1488884a7ca73 Patch Third Party Advisory
https://github.com/cronvel/string-kit/releases/tag/v0.12.8 Release Notes Third Party Advisory
https://vuldb.com/?ctiid.217180 Third Party Advisory
https://vuldb.com/?id.217180 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-4299 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-4299 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/cronvel/string-kit/commit/9cac4c298ee92c1695b0695951f1488884a7ca73
    Added Reference https://github.com/cronvel/string-kit/releases/tag/v0.12.8
    Added Reference https://vuldb.com/?ctiid.217180
    Added Reference https://vuldb.com/?id.217180
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 21, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 29, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3 VulDB AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Added CVSS V3.1 VulDB AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
  • Initial Analysis by [email protected]

    Jan. 09, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/cronvel/string-kit/commit/9cac4c298ee92c1695b0695951f1488884a7ca73 No Types Assigned https://github.com/cronvel/string-kit/commit/9cac4c298ee92c1695b0695951f1488884a7ca73 Patch, Third Party Advisory
    Changed Reference Type https://github.com/cronvel/string-kit/releases/tag/v0.12.8 No Types Assigned https://github.com/cronvel/string-kit/releases/tag/v0.12.8 Release Notes, Third Party Advisory
    Changed Reference Type https://vuldb.com/?ctiid.217180 No Types Assigned https://vuldb.com/?ctiid.217180 Third Party Advisory
    Changed Reference Type https://vuldb.com/?id.217180 No Types Assigned https://vuldb.com/?id.217180 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:string_kit_project:string_kit:*:*:*:*:*:node.js:*:* versions up to (excluding) 0.12.8
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-4299 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-4299 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} -0.04%

score

0.13083

percentile

CVSS31 - Vulnerability Scoring System
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Latest DB Update: Jun. 21, 2025 18:07