CVE-2021-23771

MEDIUM

notevil and argencoders-notevil - Prototype Pollution via Sandbox Escape

Title source: llm
STIX 2.1

Description

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).

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://snyk.io/vuln/SNYK-JS-NOTEVIL-2385946
Exploit, Third Party Advisory x_refsource_misc
https://snyk.io/vuln/SNYK-JS-ARGENCODERSNOTEVIL-2388587

Scores

CVSS v3 6.5
EPSS 0.0100
EPSS Percentile 58.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Details

CWE
CWE-1321
Status published
Products (4)
argencoders-notevil_project/argencoders-notevil < 2.5.0
notevil_project/notevil < 1.3.3
npm/argencoders-notevil 0npm
npm/notevil 0npm
Published Mar 17, 2022
Tracked Since Feb 18, 2026