CVE-2020-28499

Prototype Pollution

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Published Feb 18, 2021 CVSS 3.1 · 7.3 High EPSS 1.5% KEV · Not listed

Description

All versions of package merge are vulnerable to Prototype Pollution via _recursiveMerge .

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

affected

Version	Status	Constraints
`0`	affected	< unspecified

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-2021-1010	All versions of package merge are vulnerable to Prototype Pollution via _recursiveMerge .
Github GHSA	GHSA-7wpw-2hjm-89gp	Prototype Pollution in merge

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

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: 1.5% (1.461% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/yeikos/js.merge/blob/master/src/index.ts%23L64
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1071049
https://snyk.io/vuln/SNYK-JS-MERGE-1042987
https://vuldb.com/?id.170146

History

No history.

Subscriptions

Merge Project Merge

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Sep 16, 2024, 10:08 PM

Status: PUBLISHED
Assigner: snyk
Published: Feb 18, 2021, 4:05 PM
Updated: Sep 16, 2024, 10:08 PM
Reserved: Nov 12, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:10 AM

Status: Modified
Published: Feb 18, 2021, 4:15 PM
Modified: Jun 17, 2026, 3:10 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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