Is CVE-2020-8147 actively exploited?

No active exploitation of CVE-2020-8147 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-8147 be exploited remotely?

Yes. CVE-2020-8147 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-8147?

CVE-2020-8147 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2020-8147

CWE-471Published: April 3, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-8147 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.