CVE-2021-3918 CRITICAL

CVE-2021-3918: Prototype Pollution in kriszyp/json-schema

Vendor Kriszyp
Product kriszyp/json-schema
Weakness CWE-1321
Published November 13, 2021
Last update January 17, 2025
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

November 13, 2021 CVE published
January 17, 2025 Record updated