CVE-2020-7770 - Vulnerability Details - OpenCVE

Description

This affects the package json8 before 1.0.3. The function adds in the target object the property specified in the path, however it does not properly check the key being set, leading to a prototype pollution.

Published: 2020-11-12

Score: 6.5 Medium

EPSS: 1.9% 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

json8

affected

Version	Status	Constraints
`unspecified`	affected	< 1.0.3

Configuration 1 [-]

cpe:2.3:a:json8_project:json8:*:*:*:*:*:*:*:*

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-2021-0999	This affects the package json8 before 1.0.3. The function adds in the target object the property specified in the path, however it does not properly check the key being set, leading to a prototype pollution.
Github GHSA	GHSA-7h43-gx24-p529	Prototype pollution in json8

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

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.

The EPSS score is 0.0187.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/sonnyp/JSON8/commit/2e890261b66cbc54ae01d0c79c71b0fd18379e7e
https://snyk.io/vuln/SNYK-JS-JSON8-1017116

History

No history.

Subscriptions

Json8 Project Json8

MITRE

Status: PUBLISHED

Assigner: snyk

Published: 2020-11-12T10:15:16.741Z

Updated: 2024-09-16T20:42:54.969Z

Reserved: 2020-01-21T00:00:00.000Z

Link: CVE-2020-7770

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-11-12T11:15:11.870

Modified: 2026-06-17T03:25:24.963

Link: CVE-2020-7770

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-1321
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

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