{"id":"CVE-2004-0371","aliases":["DEBIAN-CVE-2004-0371","DSA-476","EUVD-2004-0371","GHSA-p2xx-mp65-2vff"],"status":"published","title":"Heimdal 0.6.x before 0.6.1 and 0.5.x before 0.5.3 does not properly perform certain consistency...","description":"Heimdal 0.6.x before 0.6.1 and 0.5.x before 0.5.3 does not properly perform certain consistency checks for cross-realm requests, which allows remote attackers with control of a realm to impersonate others in the cross-realm trust path.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01528,"percentile":0.74894,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2004-04-06T00:00:00Z","modified":"2026-10-21T15:47:37Z","fixes":[{"ecosystem":"Debian:12","package":"heimdal","fixed_in":["0.6.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"heimdal","fixed_in":["0.6.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"heimdal","fixed_in":["0.6.1-1"],"sources":["osv"]},{"ecosystem":"Debian:3.0","package":"heimdal","fixed_in":["0.4e-7.woody.8.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1-1"}]}]},{"source":"osv","ecosystem":"Debian:3.0","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4e-7.woody.8.1"}]}],"versions":["0.2l-7","0.2l-7.6","0.4e-7.woody.1","0.4e-7.woody.8"]}],"products":[{"vendor":"kth","product":"heimdal"}],"references":[{"url":"http://security.gentoo.org/glsa/glsa-200404-09.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Vendor Advisory","advisory"]},{"url":"ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.5/common/009_kerberos.patch","tags":["vendor-advisory","x_refsource_OPENBSD","x_transferred","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/15701","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-04:08.heimdal.asc","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred","advisory"]},{"url":"http://www.debian.org/security/2004/dsa-476","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"http://www.pdc.kth.se/heimdal/advisory/2004-04-01/","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0371"},{"url":"https://github.com/advisories/GHSA-p2xx-mp65-2vff"},{"url":"https://security-tracker.debian.org/tracker/CVE-2004-0371","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2004-0371","description":"Heimdal 0.6.x before 0.6.1 and 0.5.x before 0.5.3 does not properly perform certain consistency checks for cross-realm requests, which allows remote attackers with control of a realm to impersonate others in the cross-realm trust path.","status":"published","published":"2004-04-06T04:00:00Z","modified":"2024-08-08T00:17:14.319Z","updated_at":"2026-11-02T14:34:54.398187Z"}],"euvd":[{"id":"EUVD-2004-0371","description":"Heimdal 0.6.x before 0.6.1 and 0.5.x before 0.5.3 does not properly perform certain consistency checks for cross-realm requests, which allows remote attackers with control of a realm to impersonate others in the cross-realm trust path.","status":"published","published":"2004-04-06T04:00:00Z","modified":"2024-08-08T00:17:14Z","updated_at":"2026-11-03T01:15:19.621932Z"}],"ghsa":[{"id":"GHSA-p2xx-mp65-2vff","title":"Heimdal 0.6.x before 0.6.1 and 0.5.x before 0.5.3 does not properly perform certain consistency...","description":"Heimdal 0.6.x before 0.6.1 and 0.5.x before 0.5.3 does not properly perform certain consistency checks for cross-realm requests, which allows remote attackers with control of a realm to impersonate others in the cross-realm trust path.","status":"published","published":"2022-05-03T03:12:59Z","modified":"2023-02-01T05:01:07Z","updated_at":"2026-11-02T14:49:40.629091Z"}],"nvd":[{"id":"CVE-2004-0371","description":"Heimdal 0.6.x before 0.6.1 and 0.5.x before 0.5.3 does not properly perform certain consistency checks for cross-realm requests, which allows remote attackers with control of a realm to impersonate others in the cross-realm trust path.","status":"published","published":"2004-05-04T04:00:00Z","modified":"2026-06-16T22:05:30.643Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:49.729639Z"}],"osv":[{"id":"CVE-2004-0371","description":"Heimdal 0.6.x before 0.6.1 and 0.5.x before 0.5.3 does not properly perform certain consistency checks for cross-realm requests, which allows remote attackers with control of a realm to impersonate others in the cross-realm trust path.","status":"published","published":"2004-05-04T04:00:00Z","modified":"2026-04-10T03:36:23.405892Z","updated_at":"2026-11-02T15:43:56.315348Z"},{"id":"DEBIAN-CVE-2004-0371","description":"Heimdal 0.6.x before 0.6.1 and 0.5.x before 0.5.3 does not properly perform certain consistency checks for cross-realm requests, which allows remote attackers with control of a realm to impersonate others in the cross-realm trust path.","status":"published","published":"2004-05-04T04:00:00Z","modified":"2026-10-21T15:47:37.669329598Z","updated_at":"2026-11-02T15:45:22.55978Z"},{"id":"DSA-476","title":"heimdal - cross-realm","status":"published","published":"2004-04-06T00:00:00Z","modified":"2026-03-09T02:10:07.018854Z","updated_at":"2026-11-02T15:46:17.19998Z"}]}}