The RPC protocol implementation in Apache Hadoop 2.x before 2.0.6-alpha, 0.23.x before 0.23.9, and 1.x before 1.2.1, when the Kerberos security features are enabled, allows man-in-the-middle attackers to disable bidirectional authentication and obtain sensitive information by forcing a downgrade to simple authentication.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| org.apache.hadoop:hadoop-common(Maven) | 2.0.0 | 2.0.6-alpha | N/A |
| org.apache.hadoop:hadoop-common(Maven) | 0.23.0 | 0.23.9 | N/A |
CVSS Metrics
