CVE-2018-15121

HIGH

Auth0 auth0-aspnet and auth0-aspnet-owin - Cross-Site Request Forgery via Unvalidated OAuth State Parameter

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://auth0.com/docs/security/bulletins/cve-2018-15121

Scores

CVSS v3 8.8
EPSS 0.0014
EPSS Percentile 33.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-352
Status published
Products (4)
auth0/aspnet
auth0/aspnet-owin
nuget/auth0-aspnet 0NuGet
nuget/Auth0-ASPNET-Owin 0NuGet
Published Aug 29, 2018
Tracked Since Feb 18, 2026