Vulnerable Linux Webmin servers are under active attack by a newly-discovered peer-to-peer (P2P) botnet, dubbed Roboto. The botnet is targeting a remote code-execution vulnerability (CVE-2019-15107) in Webmin, a web-based system configuration tool for Linux servers. The attack surface could potentially be massive: Webmin says that it has over a million installations worldwide and according to Shodan, 232,000 servers are currently vulnerable.
Source: https://threatpost.com/linux-webmin-servers-attack-p2p-botnet/150513/