{"id":"CVE-2018-14345","aliases":["DEBIAN-CVE-2018-14345","EUVD-2018-6266","GHSA-4wvx-qq9g-8hh9","UBUNTU-CVE-2018-14345","openSUSE-SU-2024:11376-1"],"status":"published","title":"An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the...","description":"An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not checked for users with an already existing session. Any user with access to the system D-Bus can therefore unlock any graphical session. This is related to daemon/Display.cpp and helper/backend/PamBackend.cpp.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01177,"percentile":0.67812,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287","CWE-613"],"published":"2018-07-17T14:00:00Z","modified":"2026-10-23T18:03:54Z","fixes":[{"ecosystem":"Debian:12","package":"sddm","fixed_in":["0.18.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"sddm","fixed_in":["0.18.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"sddm","fixed_in":["0.18.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"sddm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.18.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"sddm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.18.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"sddm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.18.0-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"sddm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.0-0ubuntu11","0.11.0-0ubuntu12","0.13.0-1ubuntu1","0.13.0-1ubuntu3","0.13.0-1ubuntu4","0.13.0-1ubuntu5"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"sddm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.14.0-4ubuntu1","0.14.0-4ubuntu2","0.17.0-1ubuntu1","0.17.0-1ubuntu2","0.17.0-1ubuntu3","0.17.0-1ubuntu4","0.17.0-1ubuntu5","0.17.0-1ubuntu6","0.17.0-1ubuntu7"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"sddm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.19.0-4.2"}]}],"bundled":2}],"products":[{"vendor":"sddm_project","product":"sddm"}],"references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1101450","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/sddm/sddm/commit/147cec383892d143b5e02daa70f1e7def50f5d98","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14345"},{"url":"https://github.com/advisories/GHSA-4wvx-qq9g-8hh9"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-14345","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-14345","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-14345","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14345","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-28049","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-14345","description":"An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not checked for users with an already existing session. Any user with access to the system D-Bus can therefore unlock any graphical session. This is related to daemon/Display.cpp and helper/backend/PamBackend.cpp.","status":"published","published":"2018-07-17T14:00:00Z","modified":"2024-09-17T01:31:46.724Z","updated_at":"2026-11-02T14:35:00.589142Z"}],"euvd":[{"id":"EUVD-2018-6266","description":"An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not checked for users with an already existing session. Any user with access to the system D-Bus can therefore unlock any graphical session. This is related to daemon/Display.cpp and helper/backend/PamBackend.cpp.","status":"published","published":"2018-07-17T14:00:00Z","modified":"2024-09-17T01:31:46Z","updated_at":"2026-11-03T00:28:48.901339Z"}],"ghsa":[{"id":"GHSA-4wvx-qq9g-8hh9","title":"An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the...","description":"An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not checked for users with an already existing session. Any user with access to the system D-Bus can therefore unlock any graphical session. This is related to daemon/Display.cpp and helper/backend/PamBackend.cpp.","status":"published","published":"2022-05-13T01:49:56Z","modified":"2023-02-02T05:01:56Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:51:18.541099Z"}],"nvd":[{"id":"CVE-2018-14345","description":"An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not checked for users with an already existing session. Any user with access to the system D-Bus can therefore unlock any graphical session. This is related to daemon/Display.cpp and helper/backend/PamBackend.cpp.","status":"published","published":"2018-07-17T14:29:00.517Z","modified":"2026-06-17T01:40:50.73Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-287","CWE-613"],"updated_at":"2026-11-02T14:04:32.929986Z"}],"osv":[{"id":"CVE-2018-14345","description":"An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not checked for users with an already existing session. Any user with access to the system D-Bus can therefore unlock any graphical session. This is related to daemon/Display.cpp and helper/backend/PamBackend.cpp.","status":"published","published":"2018-07-17T14:29:00.517Z","modified":"2026-10-20T13:36:43.660228086Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:08.242347Z"},{"id":"DEBIAN-CVE-2018-14345","description":"An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not checked for users with an already existing session. Any user with access to the system D-Bus can therefore unlock any graphical session. This is related to daemon/Display.cpp and helper/backend/PamBackend.cpp.","status":"published","published":"2018-07-17T14:29:00.517Z","modified":"2026-10-23T18:03:54.723766681Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:30.290351Z"},{"id":"UBUNTU-CVE-2018-14345","description":"An issue was discovered in SDDM through 0.17.0. If configured with ReuseSession=true, the password is not checked for users with an already existing session. Any user with access to the system D-Bus can therefore unlock any graphical session. This is related to daemon/Display.cpp and helper/backend/PamBackend.cpp.","status":"published","published":"2018-07-17T14:29:00Z","modified":"2025-10-24T04:47:08Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:17.014176Z"},{"id":"openSUSE-SU-2024:11376-1","title":"sddm-0.19.0-4.2 on GA media","description":"These are all security issues fixed in the sddm-0.19.0-4.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:34:33.428547Z","updated_at":"2026-11-02T16:58:35.195147Z"}]}}