{"id":"CVE-2018-20681","aliases":["DEBIAN-CVE-2018-20681","EUVD-2018-13229","GHSA-wcwv-5qmw-xfpj","UBUNTU-CVE-2018-20681"],"status":"published","title":"mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers...","description":"mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling external output devices (such as additionally attached graphical outputs via HDMI, VGA, DVI, etc.) the content of a screensaver-locked session can be revealed. In some scenarios, the attacker can execute applications, such as by clicking with a mouse.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00582,"percentile":0.48069,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2019-01-09T23:00:00Z","modified":"2026-10-23T18:03:05Z","fixes":[{"ecosystem":"Debian:12","package":"mate-screensaver","fixed_in":["1.20.2-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mate-screensaver","fixed_in":["1.20.2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mate-screensaver","fixed_in":["1.20.2-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"mate-screensaver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.2-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mate-screensaver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.2-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mate-screensaver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.2-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"mate-screensaver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10.2-1","1.12.0-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mate-screensaver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.18.1-2ubuntu0","1.18.2-1","1.19.1-0ubuntu1","1.19.1-0ubuntu2","1.20.0-0ubuntu1","1.20.0-1"]}],"products":[{"vendor":"mate-desktop","product":"mate-screensaver"}],"references":[{"url":"https://github.com/mate-desktop/mate-screensaver/pull/167","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/mate-desktop/mate-screensaver/issues/170","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://github.com/mate-desktop/mate-screensaver/issues/152","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/mate-desktop/mate-screensaver/issues/155","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20681"},{"url":"https://github.com/advisories/GHSA-wcwv-5qmw-xfpj"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-20681","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-20681","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-20681","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-20681","description":"mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling external output devices (such as additionally attached graphical outputs via HDMI, VGA, DVI, etc.) the content of a screensaver-locked session can be revealed. In some scenarios, the attacker can execute applications, such as by clicking with a mouse.","status":"published","published":"2019-01-09T23:00:00Z","modified":"2024-08-05T12:05:17.779Z","updated_at":"2026-11-02T14:34:59.872731Z"}],"euvd":[{"id":"EUVD-2018-13229","description":"mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling external output devices (such as additionally attached graphical outputs via HDMI, VGA, DVI, etc.) the content of a screensaver-locked session can be revealed. In some scenarios, the attacker can execute applications, such as by clicking with a mouse.","status":"published","published":"2019-01-09T23:00:00Z","modified":"2024-08-05T12:05:17Z","updated_at":"2026-11-03T02:39:30.323824Z"}],"ghsa":[{"id":"GHSA-wcwv-5qmw-xfpj","title":"mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers...","description":"mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling external output devices (such as additionally attached graphical outputs via HDMI, VGA, DVI, etc.) the content of a screensaver-locked session can be revealed. In some scenarios, the attacker can execute applications, such as by clicking with a mouse.","status":"published","published":"2022-05-14T01:38:18Z","modified":"2023-02-02T05:04:00Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:51:46.364743Z"}],"nvd":[{"id":"CVE-2018-20681","description":"mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling external output devices (such as additionally attached graphical outputs via HDMI, VGA, DVI, etc.) the content of a screensaver-locked session can be revealed. In some scenarios, the attacker can execute applications, such as by clicking with a mouse.","status":"published","published":"2019-01-09T23:29:05.23Z","modified":"2026-06-17T01:53:18.807Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:04:53.079938Z"}],"osv":[{"id":"CVE-2018-20681","description":"mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling external output devices (such as additionally attached graphical outputs via HDMI, VGA, DVI, etc.) the content of a screensaver-locked session can be revealed. In some scenarios, the attacker can execute applications, such as by clicking with a mouse.","status":"published","published":"2019-01-09T23:29:05.23Z","modified":"2026-10-20T10:50:07.160758907Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:09.145458Z"},{"id":"DEBIAN-CVE-2018-20681","description":"mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling external output devices (such as additionally attached graphical outputs via HDMI, VGA, DVI, etc.) the content of a screensaver-locked session can be revealed. In some scenarios, the attacker can execute applications, such as by clicking with a mouse.","status":"published","published":"2019-01-09T23:29:05.23Z","modified":"2026-10-23T18:03:05.612425214Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:30.867575Z"},{"id":"UBUNTU-CVE-2018-20681","description":"mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling external output devices (such as additionally attached graphical outputs via HDMI, VGA, DVI, etc.) the content of a screensaver-locked session can be revealed. In some scenarios, the attacker can execute applications, such as by clicking with a mouse.","status":"published","published":"2019-01-09T23:29:00Z","modified":"2025-10-24T04:47:18Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:17.91743Z"}]}}