What is the severity of CVE-2021-43812?

CVE-2021-43812 is classified as an open redirect vulnerability with potential impact on application security.

How do I fix CVE-2021-43812?

To resolve CVE-2021-43812, upgrade the Auth0 Next.js SDK to version 1.6.2 or later.

What does CVE-2021-43812 affect?

CVE-2021-43812 affects the Auth0 Next.js SDK versions prior to 1.6.2 used in Next.js applications.

What are the risks associated with CVE-2021-43812?

The open redirect vulnerability in CVE-2021-43812 can be exploited to redirect users to malicious URLs.

Is CVE-2021-43812 easy to exploit?

Yes, CVE-2021-43812 can be easily exploited by attackers to manipulate the login redirect process.

Vulnerability/
CVE-2021-43812

medium

6.4

CWE

601

16/12/2021

21/11/2024

CVE-2021-43812: Open redirect in nextjs-auth0

First published: Thu Dec 16 2021(Updated: )

The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. Versions before 1.6.2 do not filter out certain returnTo parameter values from the login url, which expose the application to an open redirect vulnerability. Users are advised to upgrade as soon as possible. There are no known workarounds for this issue.

Credit: security-advisories@github.com security-advisories@github.com

Affected Software	Affected Version	How to fix
Auth0 Nextjs-auth0	<1.6.2
	<1.6.2

Remedy

https://github.com/auth0/nextjs-auth0/commit/0bbd9f8a0c93af51f607f28633b5fb18c5e48ad6

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-43812?
CVE-2021-43812 is classified as an open redirect vulnerability with potential impact on application security.
How do I fix CVE-2021-43812?
To resolve CVE-2021-43812, upgrade the Auth0 Next.js SDK to version 1.6.2 or later.
What does CVE-2021-43812 affect?
CVE-2021-43812 affects the Auth0 Next.js SDK versions prior to 1.6.2 used in Next.js applications.
What are the risks associated with CVE-2021-43812?
The open redirect vulnerability in CVE-2021-43812 can be exploited to redirect users to malicious URLs.
Is CVE-2021-43812 easy to exploit?
Yes, CVE-2021-43812 can be easily exploited by attackers to manipulate the login redirect process.

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Frequently Asked Questions

What is the severity of CVE-2021-43812?
CVE-2021-43812 is classified as an open redirect vulnerability with potential impact on application security.
How do I fix CVE-2021-43812?
To resolve CVE-2021-43812, upgrade the Auth0 Next.js SDK to version 1.6.2 or later.
What does CVE-2021-43812 affect?
CVE-2021-43812 affects the Auth0 Next.js SDK versions prior to 1.6.2 used in Next.js applications.
What are the risks associated with CVE-2021-43812?
The open redirect vulnerability in CVE-2021-43812 can be exploited to redirect users to malicious URLs.
Is CVE-2021-43812 easy to exploit?
Yes, CVE-2021-43812 can be easily exploited by attackers to manipulate the login redirect process.