CVE-2021-23700 - Vulnerability Details - OpenCVE

Description

All versions of package merge-deep2 are vulnerable to Prototype Pollution via the mergeDeep() function.

Published: 2021-12-10

Score: 6.5 Medium

EPSS: 1.2% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

merge-deep2

affected

Version	Status	Constraints
`0`	affected	< unspecified

Configuration 1 [-]

cpe:2.3:a:merge-deep2_project:merge-deep2:*:*:*:*:*:node.js:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-2536	All versions of package merge-deep2 are vulnerable to Prototype Pollution via the mergeDeep() function.
Github GHSA	GHSA-j28q-p8ww-cp87	Prototype Pollution in merge-deep2.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01171.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://snyk.io/vuln/SNYK-JS-MERGEDEEP2-1727593

History

No history.

Subscriptions

Merge-deep2 Project Merge-deep2

MITRE

Status: PUBLISHED

Assigner: snyk

Published: 2021-12-10T20:05:22.255Z

Updated: 2024-09-16T21:09:04.413Z

Reserved: 2021-01-08T00:00:00.000Z

Link: CVE-2021-23700

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-12-10T20:15:08.527

Modified: 2026-06-17T03:38:51.803

Link: CVE-2021-23700

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-1321
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

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