CVE-2012-4449

critical Apache
CVSS v3 Base Score
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.4%
Exploitation probability in 30 days
Top 39% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: October 30, 2017 (3118 days ago)
Last Modified: May 13, 2026
Vendor: Apache
Source: NVD

Description

Apache Hadoop before 0.23.4, 1.x before 1.0.4, and 2.x before 2.0.2 generate token passwords using a 20-bit secret when Kerberos security features are enabled, which makes it easier for context-dependent attackers to crack secret keys via a brute-force attack.

CWE

CWE-327

Affected Products

apache hadoop

References