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.
{ "nvd_published_at": "2014-01-24T18:55:00Z", "cwe_ids": [ "CWE-287" ], "severity": "LOW", "github_reviewed": true, "github_reviewed_at": "2022-07-08T19:10:34Z" }