CVE-2021-3918

CRITICAL

Json-schema < 0.4.0 - Prototype Pollution

Title source: rule
STIX 2.1

Description

json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Scores

CVSS v3 9.8
EPSS 0.0126
EPSS Percentile 79.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-1321
Status published
Products (3)
debian/debian_linux 10.0
json-schema_project/json-schema < 0.4.0
npm/json-schema 0 - 0.4.0npm
Published Nov 13, 2021
Tracked Since Feb 18, 2026