// For flags

CVE-2021-23820

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 all versions of package json-pointer. A type confusion vulnerability can lead to a bypass of CVE-2020-7709 when the pointer components are arrays.

Esto afecta a todas las versiones del paquete json-pointer. Una vulnerabilidad de confusión de tipo puede conllevar a una omisión de CVE-2020-7709 cuando los componentes del puntero 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
  • 2024-09-16 CVE Updated
  • 2024-09-16 First Exploit
  • 2024-09-25 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
  • CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes
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"
-node.js
Affected