// For flags

CVE-2021-23807

Prototype Pollution

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

This affects the package jsonpointer before 5.0.0. A type confusion vulnerability can lead to a bypass of a previous Prototype Pollution fix when the pointer components are arrays.

Esto afecta al paquete jsonpointer versiones anteriores a 5.0.0. Una vulnerabilidad de confusión de tipo puede conllevar a una omisión de una corrección anterior de Contaminación de Prototipos cuando los componentes de los punteros son matrices

*Credits: Alessio Della Libera of Snyk Research Team
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-08 CVE Reserved
  • 2021-11-03 CVE Published
  • 2024-07-19 EPSS Updated
  • 2024-09-16 CVE Updated
  • 2024-09-16 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Jsonpointer Project
Search vendor "Jsonpointer Project"
 Jsonpointer
Search vendor "Jsonpointer Project" for product "Jsonpointer"
 < 5.0.0
Search vendor "Jsonpointer Project" for product "Jsonpointer" and version " < 5.0.0"
node.js
Affected