VULNERABILITY INTELLIGENCE

CVE-2021-23470

CVSS score8.2 HIGH

EPSS probability1.27%

CISA KEVNot currently listed

Published2022-02-04

Last modified2026-06-17

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

Description

This affects the package putil-merge before 3.8.0. The merge() function does not check the values passed into the argument. An attacker can supply a malicious value by adjusting the value to include the constructor property. Note: This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-PUTILMERGE-1317077

Weakness classification

nvd@nist.gov: CWE-1321

Primary references

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