CVE-2021-23421

Prototype Pollution

View on CVE.org

Published Aug 11, 2021 CVSS 3.1 · 5.6 Medium EPSS 1.1% KEV · Not listed

Description

All versions of package merge-change are vulnerable to Prototype Pollution via the utils.set function.

Affected Products

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-change

affected

Version	Status	Constraints
`0`	affected	< unspecified

Configuration 1 [-]

cpe:2.3:a:merge-change_project:merge-change:*:*:*:*:*:node.js:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-2051	All versions of package merge-change are vulnerable to Prototype Pollution via the utils.set function.
Github GHSA	GHSA-f9cv-665r-275h	Prototype Pollution in merge-change

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

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.

Exploit prediction score: 1.1% (1.084% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/VladimirShestakov/merge-change/blob/9901f145e06158f284f52de42e6ba5b0f702fb65/utils.js%23L89-L123
https://snyk.io/vuln/SNYK-JS-MERGECHANGE-1310985

History

No history.

Subscriptions

Merge-change Project Merge-change

Weaknesses

CWE-1321

Sources

CVE record Updated: Sep 17, 2024, 2:42 AM

Status: PUBLISHED
Assigner: snyk
Published: Aug 11, 2021, 5:30 PM
Updated: Sep 17, 2024, 2:42 AM
Reserved: Jan 8, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:38 AM

Status: Modified
Published: Aug 11, 2021, 6:15 PM
Modified: Jun 17, 2026, 3:38 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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