// For flags

CVE-2021-23771

Sandbox Bypass

Severity Score

6.5
*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 notevil; all versions of package argencoders-notevil. It is vulnerable to Sandbox Escape leading to Prototype pollution. The package fails to restrict access to the main context, allowing an attacker to add or modify an object's prototype. **Note:** This vulnerability derives from an incomplete fix in [SNYK-JS-NOTEVIL-608878](https://security.snyk.io/vuln/SNYK-JS-NOTEVIL-608878).

Esto afecta a todas las versiones del paquete notevil; todas las versiones del paquete argencoders-notevil. Es vulnerable a un Escape del Sandbox conllevando a una contaminación del Prototipo. El paquete falla al restringir el acceso al contexto principal, permitiendo a un atacante añadir o modificar el prototipo de un objeto. **Nota:** Esta vulnerabilidad deriva de una corrección incompleta en [SNYK-JS-NOTEVIL-608878](https://security.snyk.io/vuln/SNYK-JS-NOTEVIL-608878)

*Credits: Cristian-Alexandru Staicu, Abdullah Alhamdan
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-08 CVE Reserved
  • 2022-03-17 CVE Published
  • 2023-10-08 EPSS Updated
  • 2024-09-17 CVE Updated
  • 2024-09-17 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Argencoders-notevil Project
Search vendor "Argencoders-notevil Project"
 Argencoders-notevil
Search vendor "Argencoders-notevil Project" for product "Argencoders-notevil"
 <= 2.5.0
Search vendor "Argencoders-notevil Project" for product "Argencoders-notevil" and version " <= 2.5.0"
node.js
Affected
Notevil Project
Search vendor "Notevil Project"
 Notevil
Search vendor "Notevil Project" for product "Notevil"
 <= 1.3.3
Search vendor "Notevil Project" for product "Notevil" and version " <= 1.3.3"
node.js
Affected