CVE-2021-20089 - Vulnerability Details - OpenCVE

Description

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in purl 2.3.2 allows a malicious user to inject properties into Object.prototype.

Published: 2021-04-23

Score: 8.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

purl

affected

Version	Status	Constraints
`2.3.2`	affected	—

Configuration 1 [-]

cpe:2.3:a:purl_project:purl:2.3.2:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-7546	Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in purl 2.3.2 allows a malicious user to inject properties into Object.prototype.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

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 Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00852.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/purl.md

History

No history.

Subscriptions

Purl Project Purl

MITRE

Status: PUBLISHED

Assigner: tenable

Published: 2021-04-23T18:35:40.000Z

Updated: 2024-08-03T17:30:07.578Z

Reserved: 2020-12-17T00:00:00.000Z

Link: CVE-2021-20089

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-23T19:15:11.140

Modified: 2024-11-21T05:45:54.350

Link: CVE-2021-20089

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-1321

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