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CVE-2018-3750

nodejs-deep-extend: Prototype pollution can allow attackers to modify object properties

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Severity

Low

Red Hat Product Security

4.2

CVSS 3.0

Review impact separately from score.

Published · April 18, 2018

Updated · June 28, 2026

Description

The utilities function in all versions <= 0.5.0 of the deep-extend node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add or modify existing properties that will exist on all objects.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.2
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L

CWE-20 · Improper Input Validation