{"id":"CVE-2012-4449","aliases":[],"url":"https://o3.security/vulnerability/CVE-2012-4449","summary":"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…","details":"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.","published":"2017-10-30T19:29:00.200","modified":"2026-06-16T23:45:07.253","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"http://mail-archives.apache.org/mod_mbox/hadoop-general/201210.mbox/%3CCA+z3+9FYdPmzBEaMZ71SUqzRx=eU=o4mSHUsbrpzgR9X_F1c0Q%40mail.gmail.com%3E"},{"type":"ADVISORY","url":"https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#topic_1_0"},{"type":"WEB","url":"http://mail-archives.apache.org/mod_mbox/hadoop-general/201210.mbox/%3CCA+z3+9FYdPmzBEaMZ71SUqzRx=eU=o4mSHUsbrpzgR9X_F1c0Q%40mail.gmail.com%3E"},{"type":"ADVISORY","url":"https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#topic_1_0"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-16T23:45:07.253"}}