{"cve":"CVE-2012-4449","nvd":{"published":"2017-10-30T19:29:00.200","modified":"2026-06-16T23:45:07.253","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-327"],"references":["http://mail-archives.apache.org/mod_mbox/hadoop-general/201210.mbox/%3CCA+z3+9FYdPmzBEaMZ71SUqzRx=eU=o4mSHUsbrpzgR9X_F1c0Q%40mail.gmail.com%3E","https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#topic_1_0","http://mail-archives.apache.org/mod_mbox/hadoop-general/201210.mbox/%3CCA+z3+9FYdPmzBEaMZ71SUqzRx=eU=o4mSHUsbrpzgR9X_F1c0Q%40mail.gmail.com%3E","https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#topic_1_0"],"products":["apache:hadoop"],"source":"nvd","synced_at":"2026-10-19T20:47:01.408438353+00:00"},"epss":{"cve":"CVE-2012-4449","score":0.01191,"percentile":0.67978,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-q46v-cj5v-hvg6","url":"https://osv.dev/vulnerability/GHSA-q46v-cj5v-hvg6","summary":"Use of a Broken or Risky Cryptographic Algorithm in Apache Hadoop","modified":"2023-11-08T03:57:07.826616Z","packages":[{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-client","purl":"pkg:maven/org.apache.hadoop/hadoop-client","ranges":["<0.23.4"],"fixed":["0.23.4"]},{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-client","purl":"pkg:maven/org.apache.hadoop/hadoop-client","ranges":[">=1.0.0 <1.0.4"],"fixed":["1.0.4"]},{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-client","purl":"pkg:maven/org.apache.hadoop/hadoop-client","ranges":[">=2.0.0 <2.0.2"],"fixed":["2.0.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}