Auth0-ASPNET and Auth0-ASPNET-Owin vulnerable to Cross-Site Request Forgery
An issue was discovered in Auth0 auth0-aspnet and auth0-aspnet-owin. Affected packages do not use or validate the state parameter of the OAuth 2.0 and OpenID Connect protocols. This leaves applications vulnerable to CSRF attacks during authentication and authorization operations.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | auth0-aspnet | <= 2.1.1 | no fix |
| .NET (NuGet) | Auth0-ASPNET-Owin | <= 2.3.2 | no fix |
References
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-352- Platform
- .NET (NuGet)
- Package
auth0-aspnet, Auth0-ASPNET-Owin- Disclosed
- 14.05.2022
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-mmhr-3jr7-qj2p - CC BY 4.0
Vulnerability history: auth0-aspnet
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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