{"id":"UBUNTU-CVE-2020-6581","details":"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.","modified":"2025-10-24T04:48:18Z","published":"2020-03-16T18:15:00Z","upstream":["CVE-2020-6581"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-6581"},{"type":"REPORT","url":"https://herolab.usd.de/security-advisories/"},{"type":"REPORT","url":"https://herolab.usd.de/security-advisories/usd-2020-0002/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-6581"}],"affected":[{"package":{"name":"nagios-nrpe","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/nagios-nrpe@3.2.1-1ubuntu1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.0-4ubuntu2","3.2.1-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.2.1-1ubuntu1","binary_name":"nagios-nrpe-plugin"},{"binary_version":"3.2.1-1ubuntu1","binary_name":"nagios-nrpe-server"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6581.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}