3.2 Low
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:A/AC:H/Au:N/C:P/I:P/A:N
5.2 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
37.9%
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.