// For flags

CVE-2021-43306

Exponential ReDoS in jquery-validation

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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

Un ReDoS exponencial (Denegación de Servicio por Expresión Regular) puede ser desencadenada en el paquete npm jquery-validation, cuando un atacante es capaz de suministrar una entrada arbitraria al método url2

*Credits: Denys Vozniuk from JFrog Security Research
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-11-03 CVE Reserved
  • 2022-06-01 CVE Published
  • 2023-12-23 EPSS Updated
  • 2024-09-16 CVE Updated
  • 2024-09-16 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-1333: Inefficient Regular Expression Complexity
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Jqueryvalidation
Search vendor "Jqueryvalidation"
 Jquery Validation
Search vendor "Jqueryvalidation" for product "Jquery Validation"
 < 1.19.4
Search vendor "Jqueryvalidation" for product "Jquery Validation" and version " < 1.19.4"
node.js
Affected