In Apache Hive 2.3.3, 3.1.0 and earlier, Hive "EXPLAIN" operation does not check for necessary authorization of involved entities in a query. An unauthorized user can do "EXPLAIN" on arbitrary table or view and expose table metadata and statistics.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "2.3.3"
},
{
"introduced": "3.0.0"
},
{
"last_affected": "3.1.0"
}
]
}