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MEDIUM · 6.4

CVE-2021-43812

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 exp...

Vulnerability Description

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.

CVSS Score

6.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
Auth0Nextjs-Auth0< 1.6.2

Related Weaknesses (CWE)

CWE-601

References

FAQ

What is CVE-2021-43812?

CVE-2021-43812 is a vulnerability with a CVSS score of 6.4 (MEDIUM). 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 exp...

How severe is CVE-2021-43812?

CVE-2021-43812 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-43812?

Check the references section above for vendor advisories and patch information. Affected products include: Auth0 Nextjs-Auth0.