CVE-2021-41246

Session fixation in express-openid-connect

Description

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.

Category

4.6
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.36%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: auth0 express-openid-connect
Published at:
Updated at:

References

Link Tags
https://github.com/auth0/express-openid-connect/security/advisories/GHSA-7rg2-qxmf-hhx9 third party advisory
https://github.com/auth0/express-openid-connect/commit/5ab67ff2bd84f76674066b5e129b43ab5f2f430f third party advisory patch
https://github.com/auth0/express-openid-connect/releases/tag/v2.5.2 third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2021-41246?
CVE-2021-41246 has been scored as a medium severity vulnerability.
How to fix CVE-2021-41246?
To fix CVE-2021-41246, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-41246 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-41246 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-41246?
CVE-2021-41246 affects auth0 express-openid-connect.
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