CVE-2019-6120: Nicehash Miner

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

An issue was discovered in NiceHash Miner before 2.0.3.0. 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.

Affected products

• Nicehash Miner: before 2.0.3.0 (fixed in 2.0.3.0)

Published 2019-11-06. Last modified 2026-06-17.