View at Official debian advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2020-6581 not yet assigned priority: Debian including 1 source packages (nagios-nrpe), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.
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.