jquery-validation up to 1.19.3 on npm Regular Expression denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.63

Summaryinfo

A vulnerability labeled as problematic has been found in jquery-validation up to 1.19.3 on npm. Impacted is an unknown function of the component Regular Expression Handler. The manipulation results in denial of service. This vulnerability is reported as CVE-2021-43306. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in jquery-validation up to 1.19.3 on npm (JavaScript Library). Affected is an unknown part of the component Regular Expression Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was disclosed 06/03/2022. The advisory is available at research.jfrog.com. This vulnerability is traded as CVE-2021-43306 since 11/03/2021. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 257932 (Linux Distros Unpatched Vulnerability : CVE-2021-43306), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (257932). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (JFrog): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 257932
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2021-43306

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/03/2021 🔍
06/03/2022 +211 days 🔍
06/03/2022 +0 days 🔍
08/30/2025 +1184 days 🔍

Sourcesinfo

Advisory: research.jfrog.com
Status: Not defined

CVE: CVE-2021-43306 (🔍)
GCVE (CVE): GCVE-0-2021-43306
GCVE (VulDB): GCVE-100-201162

Entryinfo

Created: 06/03/2022 11:01
Updated: 08/30/2025 09:57
Changes: 06/03/2022 11:01 (47), 06/06/2022 09:29 (1), 04/21/2025 13:31 (1), 04/21/2025 13:33 (14), 08/30/2025 09:57 (2)
Complete: 🔍
Committer: Anonymous User
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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