{"id":"DEBIAN-CVE-2025-39665","details":"User enumeration in Nagvis' Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.","modified":"2026-09-01T20:05:49.990815926Z","published":"2025-12-03T10:15:47.913Z","upstream":["CVE-2025-39665"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-39665"}],"affected":[{"package":{"name":"nagvis","ecosystem":"Debian:12","purl":"pkg:deb/debian/nagvis?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.10.0-1","1:1.10.1-1","1:1.10.2-1","1:1.10.3-1","1:1.10.4-1","1:1.10.5-1","1:1.10.6-1","1:1.9.34-1","1:1.9.35-1","1:1.9.35-1~exp1","1:1.9.36-1","1:1.9.37-1","1:1.9.38-1","1:1.9.39-1","1:1.9.40-1","1:1.9.41-1","1:1.9.42-1","1:1.9.43-1","1:1.9.44-1","1:1.9.45-1","1:1.9.46-1","1:1.9.47-1","1:1.9.47-1~exp1","1:1.9.48-1","1:1.9.49-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-39665.json"}},{"package":{"name":"nagvis","ecosystem":"Debian:13","purl":"pkg:deb/debian/nagvis?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.10.0-1","1:1.10.1-1","1:1.10.2-1","1:1.10.3-1","1:1.10.4-1","1:1.10.5-1","1:1.10.6-1","1:1.9.47-1","1:1.9.48-1","1:1.9.49-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-39665.json"}},{"package":{"name":"nagvis","ecosystem":"Debian:14","purl":"pkg:deb/debian/nagvis?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.9.48-1"}]}],"versions":["1:1.9.47-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-39665.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}