Is CVE-2021-43306 in the CISA KEV catalog?

No. CVE-2021-43306 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-43306?

CVE-2021-43306 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2021-43306?

CVE-2021-43306 has an EPSS score of 1.33% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-43306?

Upgrade jquery validation to 1.19.4 or later.

CVE & CISA-KEV Catalog

CVE-2021-43306

MEDIUM

5.9

CVSS v3

NVD

Description

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the jquery-validation npm package, when an attacker is able to supply arbitrary input to the url2 method

CWE-1333

How to fix

Remediation Available

jquery validationNVD

Affected:< 1.19.4Fixed in:1.19.4CVE-2021-43306derived 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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.33%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Exploit1

research.jfrog.com

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

Embed a live status badge for CVE-2021-43306

Markdown

[![CVE-2021-43306](https://tridentstack.com/cve/badge/CVE-2021-43306.svg)](https://tridentstack.com/cve/CVE-2021-43306)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-43306"><img src="https://tridentstack.com/cve/badge/CVE-2021-43306.svg" alt="CVE-2021-43306"></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.