VULNERABILITY INTELLIGENCE
CVE-2021-3918
CVSS score9.8 CRITICAL
EPSS probability3.83%
CISA KEVNot currently listed
Published2021-11-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Weakness classification
- security@huntr.dev: CWE-1321
- nvd@nist.gov: CWE-1321
Primary references
- security@huntr.dev — Patch, Third Party Advisory
- security@huntr.dev — Exploit, Issue Tracking, Patch, Third Party Advisory
- security@huntr.dev — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108