hadoop-common is vulnerable to information disclosure. The vulnerability exists as an unauthenticated user can access a subset of servlets when kerberos authentication is enabled, and when SPNEGO
through HTTP is not enabled.
bugzilla.redhat.com/show_bug.cgi?id=1883549
github.com/apache/hadoop/commit/94b0df839d36cf5d5e927b3642566c67d0689474
issues.apache.org/jira/browse/HADOOP-13707
lists.apache.org/thread.html/r17d94d132b207dad221595fd8b8b18628f5f5ec7e3f5be939ecd8928@%3Ccommits.druid.apache.org%3E
lists.apache.org/thread.html/r2c7f899911a04164ed1707083fcd4135f8427e04778c87d83509b0da%40%3Cgeneral.hadoop.apache.org%3E
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seclists.org/oss-sec/2020/q3/198
security.netapp.com/advisory/ntap-20201016-0005/