Skip to content

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

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS score

0.073%
(33rd percentile)

Weaknesses

CVE ID

CVE-2018-15121

GHSA ID

GHSA-mmhr-3jr7-qj2p

Source code

Credits

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.