CVE-2020-7638: confinit Prototype Pollution

confinit Updated 02 Oct 2025

Summary

07/04/2020
Yes i
Moderate
5.3

CVE-2020-7638: confinit vulnerable to prototype pollution. Affects confinit versions < 0.4.0. Fixed in 0.4.0. How to fix ↓

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Background

confinit is an npm package used for configuration management. It allows users to define and manage configurations for their applications. However, versions up to 0.3.0 are vulnerable to Prototype Pollution. This vulnerability arises from the 'setDeepProperty' function, which can be manipulated to add or modify properties of 'Object.prototype' using a 'proto' payload.

Vulnerability Detail

The Prototype Pollution vulnerability in confinit can have various consequences. An attacker could exploit this vulnerability to modify the behavior of the application by injecting malicious properties into the prototype chain. This could lead to arbitrary code execution, data tampering, or denial of service attacks. The severity of this vulnerability is rated as MODERATE with a CVSS score of 5.3.

How To Fix

Minimum fixed version

0.4.0

This is the first release that contains the fix.

npm install confinit@0.4.0

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Workaround

There is no known workaround for this vulnerability. It is essential to update to the fixed version of the package to mitigate the risk.

Conclusion

The confinit package up to version 0.3.0 is vulnerable to Prototype Pollution. It is crucial to update to version 0.4.0 or later to mitigate the risk. For further support on vulnerability remediation, contact DevNack.com.

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FAQ

confinit is an npm package used for configuration management in applications.

Prototype Pollution is a vulnerability that allows an attacker to modify the behavior of an application by injecting malicious properties into the prototype chain.

The impact of this vulnerability can range from arbitrary code execution to data tampering or denial of service attacks.

To fix this vulnerability, update the confinit package to version 0.4.0 or later.

No, there is no known workaround. Updating to the fixed version is the recommended solution.

How To Fix

Minimum fixed version

0.4.0

This is the first release that contains the fix.

npm install confinit@0.4.0

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

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