CVEvulnerability
CVE-2019-7644
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2019-04-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-209
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 configurations
• auth0 auth0-wcf-service-jwt (< 1.0.4)
Related
Weakness · CWE (1)
- CWE-209 Generation of Error Message Containing Sensitive Information weakness
References
- https://auth0.com/docs/security/bulletins/cve-2019-7644 Patch, Vendor Advisory
- https://auth0.com/docs/security/bulletins/cve-2019-7644 Patch, Vendor Advisory