What is the severity of CVE-2021-41246?

CVE-2021-41246 is considered a medium severity vulnerability due to its potential for session fixation attacks.

How do I fix CVE-2021-41246?

To fix CVE-2021-41246, upgrade the Auth0 Express OpenID Connect middleware to version 2.5.2 or later.

What does CVE-2021-41246 affect?

CVE-2021-41246 affects versions of Auth0 Express OpenID Connect middleware prior to 2.5.2.

What type of vulnerability is CVE-2021-41246?

CVE-2021-41246 is a session fixation vulnerability that arises from not regenerating session IDs upon user login.

Can I be exploited if I'm using an affected version listed in CVE-2021-41246?

Yes, using an affected version of the Auth0 Express OpenID Connect middleware leaves your application vulnerable to session fixation attacks.

Vulnerability/
CVE-2021-41246

high

8.8

CWE

384

9/12/2021

21/11/2024

CVE-2021-41246: Session fixation in express-openid-connect

First published: Thu Dec 09 2021(Updated: )

Express OpenID Connect is express JS middleware implementing sign on for Express web apps using OpenID Connect. Versions before and including `2.5.1` do not regenerate the session id and session cookie when user logs in. This behavior opens up the application to various session fixation vulnerabilities. Versions `2.5.2` contains a patch for this issue.

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

Affected Software	Affected Version	How to fix
Auth0 Express Openid Connect	>=2.3.0<2.5.2
	>=2.3.0<2.5.2

Remedy

https://github.com/auth0/express-openid-connect/commit/5ab67ff2bd84f76674066b5e129b43ab5f2f430f

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-41246?
CVE-2021-41246 is considered a medium severity vulnerability due to its potential for session fixation attacks.
How do I fix CVE-2021-41246?
To fix CVE-2021-41246, upgrade the Auth0 Express OpenID Connect middleware to version 2.5.2 or later.
What does CVE-2021-41246 affect?
CVE-2021-41246 affects versions of Auth0 Express OpenID Connect middleware prior to 2.5.2.
What type of vulnerability is CVE-2021-41246?
CVE-2021-41246 is a session fixation vulnerability that arises from not regenerating session IDs upon user login.
Can I be exploited if I'm using an affected version listed in CVE-2021-41246?
Yes, using an affected version of the Auth0 Express OpenID Connect middleware leaves your application vulnerable to session fixation attacks.

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agent/software-canonical-lookup
agent/last-modified-date
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agent/tags
agent/source
vendor/auth0
canonical/auth0 express openid connect
version/auth0 express openid connect/2.3.0

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