The default access control lists (ACL) in ISC BIND 9.4.0, 9.4.1, and 9.5.0a1 through 9.5.0a5 do not set the allow-recursion and allow-query-cache ACLs, which allows remote attackers to make recursive queries and query the cache.
AV:N/AC:M/Au:N/C:P/I:P/A:N
This vulnerability has a 6.15% probability of being exploited in the next 30 days, ranking higher than 93% of all scored CVEs.