CVE-2021-3645

Prototype Pollution in viking04/merge

View on CVE.org

Published Sep 10, 2021 CVSS 3.1 · 9.8 Critical EPSS 1.4% KEV · Not listed

Description

merge is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

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

viking04

viking04/merge

affected

Version	Status	Constraints
`unspecified`	affected	< 1.0.2

Configuration 1 [-]

cpe:2.3:a:merge_project:merge:*:*:*:*:*: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-2021-2043	merge is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Github GHSA	GHSA-cqqh-49mx-fq63	merge vulnerable to Prototype Pollution

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

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: 1.4% (1.429% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/viking04/merge/commit/baba40332080b38b33840d2614df6d4142dedaf6
https://huntr.dev/bounties/ef387a9e-ca3c-4c21-80e3-d34a6a896262

History

No history.

Subscriptions

Merge Project Merge

Weaknesses

CWE-1321

Sources

CVE record Updated: Aug 3, 2024, 5:01 PM

Status: PUBLISHED
Assigner: @huntrdev
Published: Sep 10, 2021, 11:04 AM
Updated: Aug 3, 2024, 5:01 PM
Reserved: Jul 14, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:05 AM

Status: Modified
Published: Sep 10, 2021, 11:15 AM
Modified: Jun 17, 2026, 4:05 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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