CVE-2021-23329

Prototype Pollution

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Published Jan 31, 2021 CVSS 3.1 · 7.5 High EPSS 1.5% KEV · Not listed

Description

The package nested-object-assign before 1.0.4 are vulnerable to Prototype Pollution via the default function, as demonstrated by running the PoC below.

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

nested-object-assign

affected

Version	Status	Constraints
`unspecified`	affected	< 1.0.4

Configuration 1 [-]

cpe:2.3:a:getadigital:nested-object-assign:*:*:*:*:*: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-2021-0543	The package nested-object-assign before 1.0.4 are vulnerable to Prototype Pollution via the default function, as demonstrated by running the PoC below.
Github GHSA	GHSA-c497-v8pv-ch6x	Prototype pollution in nested-object-assign

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.5% (1.539% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/Geta/NestedObjectAssign/pull/11
https://snyk.io/vuln/SNYK-JS-NESTEDOBJECTASSIGN-1065977

History

No history.

Subscriptions

Getadigital Nested-object-assign

Weaknesses

CWE-1321

Sources

CVE record Updated: Sep 16, 2024, 4:32 PM

Status: PUBLISHED
Assigner: snyk
Published: Jan 31, 2021, 3:25 PM
Updated: Sep 16, 2024, 4:32 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: Jan 31, 2021, 4:15 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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