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Auth0-ASPNET and Auth0-ASPNET-Owin vulnerable to Cross-Site Request Forgery

High severity GitHub Reviewed Published May 14, 2022 to the GitHub Advisory Database • Updated May 24, 2023

Package

nuget Auth0-ASPNET-Owin (NuGet)

Affected versions

<= 2.3.2

Patched versions

None
nuget auth0-aspnet (NuGet)
<= 2.1.1
None

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

Published by the National Vulnerability Database Aug 29, 2018
Published to the GitHub Advisory Database May 14, 2022
Reviewed May 24, 2023
Last updated May 24, 2023

Severity

High
8.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2018-15121

GHSA ID

GHSA-mmhr-3jr7-qj2p

Source code

Credits

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