CVE-2018-3721

MEDIUM
6.5
CVSS Score
Published: June 7, 2018 at 02:00 AM UTC
Updated: June 17, 2026 at 01:57 AM UTC
3 products affected across 2 vendorsActive IQ Unified ManagerLodashSystem Manager

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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.17.5
Affected range stops below 4.17.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-471CWE-1321

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