{"id":"CVE-2025-0896","aliases":["DEBIAN-CVE-2025-0896","EUVD-2025-1914","GHSA-q8wv-5h5r-52rp","UBUNTU-CVE-2025-0896"],"status":"published","title":"Orthanc Server Missing Authentication for Critical Function","description":"Orthanc server prior to version 1.5.8 does not enable basic authentication by default when remote access is enabled. This could result in unauthorized access by an attacker.","severity":{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02478,"percentile":0.84679,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-306"],"published":"2025-02-13T01:02:25Z","modified":"2026-10-17T12:56:47Z","fixes":[{"ecosystem":"Debian:12","package":"orthanc","fixed_in":["1.5.8+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"orthanc","fixed_in":["1.5.8+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"orthanc","fixed_in":["1.5.8+dfsg-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"orthanc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.8+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"orthanc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.8+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"orthanc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.8+dfsg-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"orthanc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.4+dfsg-1","0.9.4+dfsg-2","0.9.5+dfsg-1","1.0.0+dfsg-1","1.0.0+dfsg-1build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"orthanc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0+dfsg-1build1","1.3.0+dfsg-1build2","1.3.1+dfsg-1","1.3.1+dfsg-1build1","1.3.1+dfsg-1build2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"orthanc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.7+dfsg-2","1.5.8+dfsg-2","1.5.8+dfsg-2ubuntu2","1.5.8+dfsg-2ubuntu3","1.5.8+dfsg-2ubuntu4","1.5.8+dfsg-2ubuntu5","1.5.8+dfsg-2ubuntu6"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"orthanc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.2+really1.9.1+dfsg-1","1.9.7+dfsg-3ubuntu1","1.9.7+dfsg-3ubuntu2","1.9.7+dfsg-4","1.9.7+dfsg-5","1.9.7+dfsg-6","1.10.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"orthanc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.12.1+dfsg-3","1.12.1+dfsg-4","1.12.1+dfsg-4build1","1.12.2+dfsg-1","1.12.2+dfsg-1build3","1.12.2+dfsg-1build4"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"orthanc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.12.6+dfsg-1","1.12.7+dfsg-4","1.12.7+dfsg-4build2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"orthanc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.12.10+dfsg-2","1.12.11+dfsg-8","1.12.11+dfsg-8build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"orthanc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.12.7+dfsg-4build2","1.12.9+dfsg-2","1.12.10+dfsg-1","1.12.10+dfsg-1build1","1.12.10+dfsg-2"]}],"products":[{"vendor":"orthanc","product":"orthanc server"},{"vendor":"orthanc-server","product":"orthanc"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-medical-advisories/icsma-25-037-02","tags":["Third Party Advisory","US Government Resource","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-0896"},{"url":"https://github.com/advisories/GHSA-q8wv-5h5r-52rp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-0896","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-0896","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-0896","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-0896","title":"Orthanc Server Missing Authentication for Critical Function","description":"Orthanc server prior to version 1.5.8 does not enable basic authentication by default when remote access is enabled. 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