CVE-2021-25943

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Published May 14, 2021 CVSS 3.1 · 9.8 Critical EPSS 3.3% KEV · Not listed

Description

Prototype pollution vulnerability in '101' versions 1.0.0 through 1.6.3 allows an attacker to cause a denial of service and may lead to remote code execution.

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

101

affected

Version	Status	Constraints
`1.0.0, 1.1.0, 1.1.1, 1.2.0, 1.3.0, 1.3.1, 1.4.0, 1.5.0, 1.6.0, 1.6.1, 1.6.2, 1.6.3`	affected	—

Configuration 1 [-]

cpe:2.3:a:101_project:101:*:*:*:*:*: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-2021-1051	Prototype pollution in 101
Github GHSA	GHSA-cwcx-rxgc-cmw3	Prototype pollution in 101

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

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: 3.3% (3.299% probability within 30 days)

Exploitation poc

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/tjmehta/101/blob/d87f63ce2a4cbdc476e8287abd78327c3144d646/set.js#L52
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25943

History

Apr 30, 2025 9:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

101 Project 101

Weaknesses

CWE-1321

Sources

CVE record Updated: Apr 30, 2025, 8:22 PM

Status: PUBLISHED
Assigner: Mend
Published: May 14, 2021, 1:32 PM
Updated: Apr 30, 2025, 8:22 PM
Reserved: Jan 22, 2021, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 3, 2024, 8:19 PM

Updated: Aug 3, 2024, 8:19 PM

NVD Updated: Jun 17, 2026, 3:42 AM

Status: Modified
Published: May 14, 2021, 2:15 PM
Modified: Jun 17, 2026, 3:42 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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