CVE-2020-8147

PoC —

CVSS 3.1

9.8 critical

EPSS

3%p87

Published

Apr 3, 2020 (Apr 3, 2020)

Modified

Jun 17, 2026

Description

Flaw in input validation in npm package utils-extend version 1.0.8 and earlier may allow prototype pollution attack that may result in remote code execution or denial of service of applications using utils-extend.

Vendors: utils-extend project
Products: utils-extend
Weakness: CWE-471, CWE-20
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (3.1%)

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