Allocation of Resources Without Limits or Throttling
An issue was discovered in NiceHash Miner before 220.127.116.11. A missing rate limit while adding a wallet via Email address allows remote attackers to submit a large number of email addresses to identify valid ones. By exploiting this vulnerability with CVE-2019-6122 (Username Enumeration) an adversary can enumerate a large number of valid users' Email addresses.
CWE-770 - Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.