{"id":"CVE-2020-11722","aliases":["DEBIAN-CVE-2020-11722","EUVD-2020-4064","GHSA-293j-rh9p-w2r8","MGASA-2020-0190","UBUNTU-CVE-2020-11722","USN-7969-1","openSUSE-SU-2020:0549-1","openSUSE-SU-2024:10698-1"],"status":"published","title":"Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute...","description":"Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an uploaded .crawlrc file.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.03891,"percentile":0.90333,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434"],"published":"2020-04-12T18:59:46Z","modified":"2026-10-26T12:01:23Z","fixes":[{"ecosystem":"Debian:12","package":"crawl","fixed_in":["2:0.25.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"crawl","fixed_in":["2:0.25.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"crawl","fixed_in":["2:0.25.0-1"],"sources":["osv"]},{"ecosystem":"Mageia:7","package":"crawl","fixed_in":["0.24.1-2.ga250c9d538.1.mga7"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"crawl","fixed_in":["2:0.17.1-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"crawl","fixed_in":["2:0.21.1-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:20.04:LTS","package":"crawl","fixed_in":["2:0.24.0-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"SUSE:Package Hub 15 SP1","package":"crawl","fixed_in":["0.24.0-bp151.4.3.2"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.1","package":"crawl","fixed_in":["0.24.0-bp151.4.3.2"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"crawl","fixed_in":["0.26.1-1.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.25.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.25.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.25.0-1"}]}]},{"source":"osv","ecosystem":"Mageia:7","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.24.1-2.ga250c9d538.1.mga7"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.17.1-1ubuntu0.1~esm1"}]}],"versions":["2:0.16.1-1","2:0.16.2-1","2:0.17.0-1","2:0.17.1-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.21.1-1ubuntu0.1~esm1"}]}],"versions":["2:0.20.1-1","2:0.21.0-1","2:0.21.1-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.24.0-1ubuntu0.1~esm1"}]}],"versions":["2:0.23.2-1","2:0.24.0-1","2:0.24.0-1build1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.17.1-1ubuntu0.1~esm1"}]}],"versions":["2:0.16.1-1","2:0.16.2-1","2:0.17.0-1","2:0.17.1-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.21.1-1ubuntu0.1~esm1"}]}],"versions":["2:0.20.1-1","2:0.21.0-1","2:0.21.1-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.24.0-1ubuntu0.1~esm1"}]}],"versions":["2:0.23.2-1","2:0.24.0-1","2:0.24.0-1build1"]},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP1","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.24.0-bp151.4.3.2"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 15.1","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.24.0-bp151.4.3.2"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"crawl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.1-1.2"}]}]}],"products":[{"vendor":"dungeon_crawl_stone_soup_project","product":"dungeon_crawl_stone_soup"}],"references":[{"url":"https://dpmendenhall.blogspot.com/2020/03/dungeon-crawl-stone-soup.html","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/crawl/crawl/commit/768f60da87a3fa0b5561da5ade9309577c176d04","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/crawl/crawl/commit/fc522ff6eb1bbb85e3de60c60a45762571e48c28","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00037.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XNXK7QE7EA7XSDDNOWX2A6MJNWOIYCTC/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QLPN635S7J3MUXLIHYK6MDAHEIASFYP/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-11722"},{"url":"https://github.com/advisories/GHSA-293j-rh9p-w2r8"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-11722","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0190.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=26552","tags":["report"]},{"url":"https://lists.opensuse.org/opensuse-updates/2020-04/msg00113.html","tags":["web"]},{"url":"https://raw.githubusercontent.com/crawl/crawl/0.24.1/crawl-ref/docs/changelog.txt","tags":["web"]},{"url":"https://github.com/crawl/crawl/commits/a250c9d538d3db384407f7e61470e8ec65ad5b83","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-11722","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-11722","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-7969-1","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/5EGNUG35AV2GNT23JSVL57WHF263AMB6/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1169381","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-11722","tags":["web"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-11722","description":"Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an uploaded .crawlrc file.","status":"published","published":"2020-04-12T18:59:46Z","modified":"2024-08-04T11:41:58.147Z","updated_at":"2026-11-02T14:35:57.352161Z"}],"euvd":[{"id":"EUVD-2020-4064","description":"Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an uploaded .crawlrc file.","status":"published","published":"2020-04-12T18:59:46Z","modified":"2024-08-04T11:41:58Z","updated_at":"2026-11-03T03:07:42.412087Z"}],"ghsa":[{"id":"GHSA-293j-rh9p-w2r8","title":"Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute...","description":"Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an uploaded .crawlrc file.","status":"published","published":"2022-05-24T17:14:03Z","modified":"2023-01-29T05:02:23Z","updated_at":"2026-11-02T14:45:04.348172Z"}],"nvd":[{"id":"CVE-2020-11722","description":"Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an uploaded .crawlrc file.","status":"published","published":"2020-04-12T19:15:10.427Z","modified":"2026-06-17T02:50:41.08Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:05:57.678762Z"}],"osv":[{"id":"CVE-2020-11722","description":"Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an uploaded .crawlrc file.","status":"published","published":"2020-04-12T19:15:10.427Z","modified":"2026-10-20T13:45:06.967661412Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:14.034736Z"},{"id":"DEBIAN-CVE-2020-11722","description":"Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an uploaded .crawlrc file.","status":"published","published":"2020-04-12T19:15:10.427Z","modified":"2026-10-26T12:01:23.337620768Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:32.862554Z"},{"id":"UBUNTU-CVE-2020-11722","description":"Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an uploaded .crawlrc file.","status":"published","published":"2020-04-12T19:15:00Z","modified":"2026-02-04T02:46:43.049926Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:22.212782Z"},{"id":"MGASA-2020-0190","title":"Updated crawl packages fix security vulnerability","description":"Updated crawl packages fix security vulnerability\n\ncrawl 0.24.0 and earlier are subject to possible remote code evaluation\nwith lua loadstring (CVE-2020-11722).\n\nThis update fixes it, also updating crawl from version 0.23.2 to 0.24.1,\nwith the following main gameplay changes:\n\n* Vampire species simplified\n* Thrown weapons streamlined\n* Fedhas reimagined\n* Sif Muna reworked\n","status":"published","published":"2020-05-05T12:20:37Z","modified":"2026-04-16T04:41:20.308136086Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"openSUSE-SU-2020:0549-1","title":"Security update for crawl","description":"This update for crawl fixes the following issues:\n\n* CVE-2020-11722: Fixed a remote code evaluation issue with lua loadstring (boo#1169381)\n\nUpdate to version 0.24.0\n\n* Vampire species simplified\n* Thrown weapons streamlined\n* Fedhas reimagined\n* Sif Muna reworked\n\n\nUpdate to version 0.23.2\n\n* Trap system overhaul\n* New Gauntlet portal to replace Labyrinths\n* Nemelex Xobeh rework\n* Nine unrandarts reworked and the new 'Rift' unrandart added\n* Support for seeded dungeon play\n* build requires python and python-pyYAML\n\nUpdate to 0.22.0\n\n* Player ghosts now only appear in sealed ghost vaults\n* New spell library interface\n* User interface revamp for Tiles and WebTiles\n","status":"published","published":"2020-04-24T18:11:18Z","modified":"2026-02-04T02:21:04.447117Z","updated_at":"2026-11-02T16:58:31.152112Z"},{"id":"openSUSE-SU-2024:10698-1","title":"crawl-0.26.1-1.2 on GA media","description":"These are all security issues fixed in the crawl-0.26.1-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:44:16.766806Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"USN-7969-1","title":"crawl vulnerability","description":"David Mendenhall discovered that Dungeon Crawl Stone Soup was incorrectly\nhandling Lua bytecode embedded in an uploaded .crawlrc file. An attacker\ncould possibly use this issue to execute arbitrary code.","status":"published","published":"2026-01-19T19:34:58Z","modified":"2026-06-25T13:32:31.539883857Z","updated_at":"2026-11-02T16:58:22.951676Z"}]}}