{"id":"CVE-2020-12066","aliases":["DEBIAN-CVE-2020-12066","DSA-4763-1","EUVD-2020-4382","GHSA-733m-275p-p27q","MGASA-2020-0191","UBUNTU-CVE-2020-12066","USN-4553-1","openSUSE-SU-2020:0557-1","openSUSE-SU-2020:0563-1","openSUSE-SU-2024:11427-1"],"status":"published","title":"CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote...","description":"CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.03031,"percentile":0.87678,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20","CWE-400"],"published":"2020-04-22T16:20:06Z","modified":"2026-10-26T12:01:25Z","fixes":[{"ecosystem":"Debian:12","package":"teeworlds","fixed_in":["0.7.5-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"teeworlds","fixed_in":["0.7.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"teeworlds","fixed_in":["0.7.5-1"],"sources":["osv"]},{"ecosystem":"Debian:10","package":"teeworlds","fixed_in":["0.7.2-5+deb10u1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"teeworlds","fixed_in":["0.7.2-5ubuntu1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"teeworlds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.5-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"teeworlds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"teeworlds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.5-1"}]}]},{"source":"osv","ecosystem":"Debian:10","package":"teeworlds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.2-5+deb10u1"}]}],"versions":["0.7.2-5"]},{"source":"osv","ecosystem":"Mageia:7","package":"teeworlds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.5-1.mga7"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"teeworlds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.2+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"teeworlds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.4+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"teeworlds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.2-5ubuntu1.1"}]}],"versions":["0.7.2-5","0.7.2-5ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"teeworlds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.2-5ubuntu1.1"}]}],"versions":["0.7.2-5","0.7.2-5ubuntu1"]},{"source":"osv","ecosystem":"openSUSE:Leap 15.1","package":"teeworlds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.5-lp151.2.6.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP1","package":"teeworlds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.5-bp151.2.6.1"}]}],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"teeworlds","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.5-2.9"}]}],"bundled":3}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"debian","product":"debian_linux"},{"vendor":"fedoraproject","product":"fedora"},{"vendor":"opensuse","product":"backports_sle"},{"vendor":"opensuse","product":"leap"},{"vendor":"teeworlds","product":"teeworlds"}],"references":[{"url":"https://www.teeworlds.com/forum/viewtopic.php?id=14785","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://github.com/teeworlds/teeworlds/commit/c68402fa7e279d42886d5951d1ea8ac2facc1ea5","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00044.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00045.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AVYG7CCPS5F3OPOQMJKVNXTQ7BXSEX2V/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://www.debian.org/security/2020/dsa-4763","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://usn.ubuntu.com/4553-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12066"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AVYG7CCPS5F3OPOQMJKVNXTQ7BXSEX2V"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AVYG7CCPS5F3OPOQMJKVNXTQ7BXSEX2V"},{"url":"https://usn.ubuntu.com/4553-1"},{"url":"https://github.com/advisories/GHSA-733m-275p-p27q"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-12066","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0191.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=26553","tags":["report"]},{"url":"https://lists.opensuse.org/opensuse-updates/2020-04/msg00123.html","tags":["web"]},{"url":"https://www.teeworlds.com/?page=journal\u0026id=13357","tags":["web"]},{"url":"https://www.teeworlds.com/forum/viewtopic.php?id=14784","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-12066","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4553-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-12066","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/JHAZ74TPRI2TVVTFIEIE6HXUQSZPD33U/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1170252","tags":["report"]},{"url":"https://bugzilla.suse.com/1170253","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20787","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12066","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/YHFMBCSBZTDVJ6DUGAYR74AP6U4TJERP/","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9351","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-12066","description":"CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.","status":"published","published":"2020-04-22T16:20:06Z","modified":"2024-08-04T11:48:57.918Z","updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-4382","description":"CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.","status":"published","published":"2020-04-22T16:20:06Z","modified":"2024-08-04T11:48:57Z","updated_at":"2026-11-03T03:07:41.399649Z"}],"ghsa":[{"id":"GHSA-733m-275p-p27q","title":"CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote...","description":"CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.","status":"published","published":"2022-05-24T17:16:10Z","modified":"2024-04-04T02:50:02Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20","CWE-400"],"updated_at":"2026-11-02T14:56:12.154453Z"}],"nvd":[{"id":"CVE-2020-12066","description":"CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.","status":"published","published":"2020-04-22T17:15:12.51Z","modified":"2026-06-17T02:51:22.013Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:05:59.718774Z"}],"osv":[{"id":"CVE-2020-12066","description":"CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.","status":"published","published":"2020-04-22T17:15:12.51Z","modified":"2026-10-20T13:15:48.609651815Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:14.034736Z"},{"id":"DEBIAN-CVE-2020-12066","description":"CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.","status":"published","published":"2020-04-22T17:15:12.51Z","modified":"2026-10-26T12:01:25.703439358Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:32.862554Z"},{"id":"UBUNTU-CVE-2020-12066","description":"CServer::SendMsg in engine/server/server.cpp in Teeworlds 0.7.x before 0.7.5 allows remote attackers to shut down the server.","status":"published","published":"2020-04-22T17:15:00Z","modified":"2026-02-04T04:19:58.655104Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:22.804634Z"},{"id":"DSA-4763-1","title":"teeworlds - security update","status":"published","published":"2020-09-14T00:00:00Z","modified":"2026-03-09T02:11:16.260293Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"MGASA-2020-0191","title":"Updated teeworlds packages fix security vulnerabilities","description":"Updated teeworlds packages fix security vulnerabilities\n\nTeeworlds before 0.7.4 is subject to an integer overflow when computing\na tilemap size (CVE-2019-20787).\n\nTeeworlds before 0.7.5 is subject to a denial of service against the\nserver (CVE-2020-12066).\n\nThis update fixes both vulnerabilities by updating from Teeworlds 0.7.3.1\nto 0.7.5, including additional features and bug fixes (see the referenced\nchangelogs for details).\n","status":"published","published":"2020-05-05T12:20:37Z","modified":"2026-04-16T04:44:02.377268788Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"openSUSE-SU-2020:0557-1","title":"Security update for teeworlds","description":"This update for teeworlds to version 0.7.5 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2020-12066: Fixed a denial of service against the server (boo#1170252)\n- CVE-2019-20787: Fixed an integer overflow when computing a tilemap size (boo#1170253)\n\nNon-security issues fixed:\n\n- multiple smaller bug fixes and improvements.\n","status":"published","published":"2020-04-27T16:17:30Z","modified":"2026-02-04T04:32:51.055816Z","updated_at":"2026-11-02T16:58:31.152112Z"},{"id":"openSUSE-SU-2020:0563-1","title":"Security update for teeworlds","description":"This update for teeworlds to version 0.7.5 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2020-12066: Fixed a denial of service against the server (boo#1170252)\n- CVE-2019-20787: Fixed an integer overflow when computing a tilemap size (boo#1170253)\n\nNon-security issues fixed:\n\n- multiple smaller bug fixes and improvements.\n\nThis update was imported from the openSUSE:Leap:15.1:Update update project.","status":"published","published":"2020-04-29T06:58:54Z","modified":"2026-02-04T03:49:43.065278Z","updated_at":"2026-11-02T16:58:31.152112Z"},{"id":"openSUSE-SU-2024:11427-1","title":"teeworlds-0.7.5-2.9 on GA media","description":"These are all security issues fixed in the teeworlds-0.7.5-2.9 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2025-05-07T18:09:04.597169Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"USN-4553-1","title":"teeworlds vulnerability","description":"It was discovered that Teeworlds server did not properly handler certain\nnetwork traffic. A remote, unauthenticated attacker could use this\nvulnerability to cause Teeworlds server to crash.\n","status":"published","published":"2020-09-28T17:40:24Z","modified":"2026-04-27T15:43:10.909855Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}