CVE-2021-23426

Prototype Pollution

View on CVE.org

Published Sep 1, 2021 CVSS 3.1 · 5.6 Medium EPSS < 1% KEV · Not listed

Description

This affects all versions of package Proto. It is possible to inject pollute the object property of an application using Proto by leveraging the merge 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

Proto

affected

Version	Status	Constraints
`0`	affected	< unspecified

Configuration 1 [-]

cpe:2.3:a:proto_project:proto:-:*:*:*:*:node.js:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-1982	This affects all versions of package Proto. It is possible to inject pollute the object property of an application using Proto by leveraging the merge function.
Github GHSA	GHSA-58g2-9fqr-36q2	Prototype Pollution in Proto

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 None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.861% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://snyk.io/vuln/SNYK-JS-PROTO-1316301
https://www.npmjs.com/package/Proto

History

No history.

Subscriptions

Proto Project Proto

Weaknesses

NVD-CWE-Other

Sources

CVE record Updated: Sep 16, 2024, 11:16 PM

Status: PUBLISHED
Assigner: snyk
Published: Sep 1, 2021, 2:25 PM
Updated: Sep 16, 2024, 11:16 PM
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: Sep 1, 2021, 3:15 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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