CVE-2018-3721

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

lodash node module before 4.17.5 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via defaultsDeep, merge, and mergeWith functions, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-471 CWE-1321

Affected software

No affected versions have been published.

Timeline

Published: Jun 7, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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