In Apache Hadoop versions 3.0.0-alpha2 to 3.0.0, 2.9.0 to 2.9.2, 2.8.0 to 2.8.5, any users can access some servlets without authentication when Kerberos authentication is enabled and SPNEGO through HTTP is not enabled.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Hadoop | Apache | 2.8.0 (including) | 2.8.5 (including) |
| Hadoop | Apache | 2.9.0 (including) | 2.9.2 (including) |
| Hadoop | Apache | 3.0.0 (including) | 3.0.0 (including) |
| Hadoop | Apache | 3.0.0-alpha2 (including) | 3.0.0-alpha2 (including) |