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CVE-2018-15121 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://auth0.com/docs/security/bulletins/cve-2018-15121	CVE	Vendor Advisory
https://auth0.com/docs/security/bulletins/cve-2018-15121	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-352	Cross-Site Request Forgery (CSRF)	[email protected]

Affected Products

Product	Versions
auth0 aspnet	All versions
CPE cpe:2.3:a:auth0:aspnet:-:::::::* Remediation No remediation found in references.
auth0 aspnet-owin	All versions
CPE cpe:2.3:a:auth0:aspnet-owin:-:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 8, 2018	Initial Analysis	[email protected]