CVE-2019-7644

Published: Apr 11, 2019Modified: Jun 17, 2026

9.8

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

Auth0 Auth0-WCF-Service-JWT before 1.0.4 leaks the expected JWT signature in an error message when it cannot successfully validate the JWT signature. If this error message is presented to an attacker, they can forge an arbitrary JWT token that will be accepted by the vulnerable application.

Affected (1)

Products: Auth0: Auth0 Wcf Service Jwt

1 product

Auth0 Wcf Service Jwt

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Auth0 Auth0 Wcf Service Jwt	Before 1.0.4

Related CWEs

Generation of Error Message Containing Sensitive Information

The product generates an error message that includes sensitive information about its environment, users, or associated data.

References (2)

https://auth0.com/docs/security/bulletins/cve-2019-7644

Source: cve@mitre.org

PatchVendor Advisory

https://auth0.com/docs/security/bulletins/cve-2019-7644

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.