VULNERABILITY INTELLIGENCE

CVE-2021-23329

CVSS score7.5 HIGH

EPSS probability1.54%

CISA KEVNot currently listed

Published2021-01-31

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

The package nested-object-assign before 1.0.4 are vulnerable to Prototype Pollution via the default function, as demonstrated by running the PoC below.

Weakness classification

nvd@nist.gov: CWE-1321

Primary references

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