CRITICAL

CVE-2020-8147

CVSS v3

9.8

CRITICAL

EPSS Score

3.1 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

utils-extendnpmfrom 0.0.0 · no fixed version listed

Full record on NVD

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.

Technical details

Published: 2020-04-03

Frequently asked questions

What is CVE-2020-8147?

Is CVE-2020-8147 actively exploited?

Active exploitation of CVE-2020-8147 has not been confirmed. Its EPSS score was 3.1% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

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

CVE-2020-8147 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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