VULNERABILITY INTELLIGENCE

CVE-2021-23574

CVSS score7.5 HIGH

EPSS probability2.17%

CISA KEVNot currently listed

Published2021-12-24

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

All versions of package js-data are vulnerable to Prototype Pollution via the deepFillIn and the set functions. This is an incomplete fix of [CVE-2020-28442](https://snyk.io/vuln/SNYK-JS-JSDATA-1023655).

Weakness classification

nvd@nist.gov: CWE-1321

Primary references

report@snyk.io — Broken Link, Third Party Advisory
report@snyk.io — Issue Tracking, Patch, Third Party Advisory
report@snyk.io — Issue Tracking, Patch, Third Party Advisory
report@snyk.io — Exploit, Third Party Advisory
report@snyk.io — Exploit, Third Party Advisory
report@snyk.io — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory