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CVE-2021-23771

Date: March 17, 2022

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).

Language: JS

Severity Score

Related Resources (3)

https://github.com/mmckegg/notevil
https://nvd.nist.gov/vuln/detail/CVE-2021-23771
https://www.mend.io/vulnerability-database/CVE-2021-23771

Severity Score

Weakness Type (CWE)

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CWE-1321

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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