Nagios NRPE 3.2.1 has Insufficient Filtering because, for example, nasty_metachars interprets \n as the character \ and the character n (not as the \n newline sequence). This can cause command injection. CREATE(Triage):(User=admin) CVE-2020-6581 (https://nvd.nist.gov/vuln/detail/CVE-2020-6581)