High severity8.8NVD Advisory· Published Aug 29, 2018· Updated Jun 17, 2026
CVE-2018-15121
CVE-2018-15121
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
Auth0-ASPNET-OwinNuGet | <= 2.3.2 | — |
auth0-aspnetNuGet | <= 2.1.1 | — |
Affected products
2- ghsa-coords2 versions
<= 2.1.1+ 1 more
- (no CPE)range: <= 2.1.1
- (no CPE)range: <= 2.3.2
Patches
Vulnerability mechanics
References
4- auth0.com/docs/security/bulletins/cve-2018-15121nvdVendor AdvisoryWEB
- github.com/advisories/GHSA-mmhr-3jr7-qj2pghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2018-15121ghsaADVISORY
- www.nuget.org/packages/Auth0-ASPNET-OwinghsaWEB
News mentions
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