{"id":"CVE-2018-1098","aliases":["DEBIAN-CVE-2018-1098","EUVD-2022-0838","GHSA-5gjm-fj42-x983","UBUNTU-CVE-2018-1098"],"status":"published","title":"etcd Cross-site Request Forgery (CSRF)","description":"A cross-site request forgery flaw was found in etcd 3.3.1 and earlier. An attacker can set up a website that tries to send a POST request to the etcd server and modify a key. Adding a key is done with PUT so it is theoretically safe (can't PUT from an HTML form or such) but POST allows creating in-order keys that an attacker can send.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01223,"percentile":0.68982,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352"],"published":"2018-04-03T16:00:00Z","modified":"2026-10-23T18:02:57Z","fixes":[{"ecosystem":"Go","package":"go.etcd.io/etcd/v3","fixed_in":["3.4.0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"etcd","fixed_in":["3.4.23-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"etcd","fixed_in":["3.4.23-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"etcd","fixed_in":["3.4.23-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"go.etcd.io/etcd/v3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.23-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.23-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.23-1"}]}]},{"source":"osv","ecosystem":"Go","package":"go.etcd.io/etcd/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.4.0"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.0+dfsg-2","2.2.1+dfsg-1","2.2.2+dfsg-1","2.2.2+dfsg-2","2.2.3+dfsg-1","2.2.5+dfsg-1","2.2.5+dfsg-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.0-1","3.2.9+dfsg-2","3.2.9+dfsg-3","3.2.17+dfsg-1","3.2.17+dfsg-1ubuntu0.1~esm1","3.2.17+dfsg-1ubuntu0.1","3.2.17+dfsg-1ubuntu0.1+esm1","3.2.17+dfsg-1ubuntu0.1+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.26+dfsg-3","3.2.26+dfsg-4","3.2.26+dfsg-6","3.2.26+dfsg-6ubuntu0.1","3.2.26+dfsg-6ubuntu0.2","3.2.26+dfsg-6ubuntu0.2+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.25+dfsg-6","3.3.25+dfsg-7","3.3.25+dfsg-7ubuntu0.22.04.1","3.3.25+dfsg-7ubuntu0.22.04.1+esm1","3.3.25+dfsg-7ubuntu0.22.04.2","3.3.25+dfsg-7ubuntu0.22.04.2+esm1","3.3.25+dfsg-7ubuntu0.22.04.2+esm2","3.3.25+dfsg-7ubuntu0.22.04.2+esm3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.23-4ubuntu2","3.4.30-1","3.4.30-1build1","3.4.30-1ubuntu0.24.04.1","3.4.30-1ubuntu0.24.04.2","3.4.30-1ubuntu0.24.04.2+esm1","3.4.30-1ubuntu0.24.04.3","3.4.30-1ubuntu0.24.04.3+esm1","3.4.30-1ubuntu0.24.04.3+esm2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.16-4"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.16-10","3.5.30-2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:26.04:LTS","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.16-4","3.5.16-10","3.5.16-10ubuntu0.26.04.1~esm1"]}],"products":[{"vendor":"etcd-io","product":"etcd"},{"vendor":"fedoraproject","product":"fedora"},{"vendor":"red hat, inc.","product":"etcd"},{"vendor":"redhat","product":"etcd"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1552714","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://github.com/coreos/etcd/issues/9353","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","evidence","web","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPGYHMSKDPW5GAMI7BEP3XQRVRLLBJKS/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JX7QTIT465BQGRGNCE74RATRQLKT2QE4/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1098","tags":["advisory"]},{"url":"https://github.com/coreos/etcd/commit/a7e5790c82039945639798ae9a3289fe787f5e56","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JX7QTIT465BQGRGNCE74RATRQLKT2QE4/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPGYHMSKDPW5GAMI7BEP3XQRVRLLBJKS/"},{"url":"https://github.com/advisories/GHSA-5gjm-fj42-x983"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-1098","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JX7QTIT465BQGRGNCE74RATRQLKT2QE4","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPGYHMSKDPW5GAMI7BEP3XQRVRLLBJKS","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JX7QTIT465BQGRGNCE74RATRQLKT2QE4","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPGYHMSKDPW5GAMI7BEP3XQRVRLLBJKS","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2018-1098","tags":["report"]},{"url":"https://github.com/etcd-io/etcd/issues/10479","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-1098","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-1098","description":"A cross-site request forgery flaw was found in etcd 3.3.1 and earlier. An attacker can set up a website that tries to send a POST request to the etcd server and modify a key. Adding a key is done with PUT so it is theoretically safe (can't PUT from an HTML form or such) but POST allows creating in-order keys that an attacker can send.","status":"published","published":"2018-04-03T16:00:00Z","modified":"2024-08-05T03:51:48.502Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:35:09.139955Z"}],"euvd":[{"id":"EUVD-2022-0838","description":"A cross-site request forgery flaw was found in etcd 3.3.1 and earlier. An attacker can set up a website that tries to send a POST request to the etcd server and modify a key. Adding a key is done with PUT so it is theoretically safe (can't PUT from an HTML form or such) but POST allows creating in-order keys that an attacker can send.","status":"published","published":"2018-04-03T16:00:00Z","modified":"2024-08-05T03:51:48Z","updated_at":"2026-11-03T02:40:16.309405Z"}],"ghsa":[{"id":"GHSA-5gjm-fj42-x983","title":"etcd Cross-site Request Forgery (CSRF)","description":"A cross-site request forgery flaw was found in etcd 3.3.1 and earlier. An attacker can set up a website that tries to send a POST request to the etcd server and modify a key. Adding a key is done with PUT so it is theoretically safe (can't PUT from an HTML form or such) but POST allows creating in-order keys that an attacker can send.","status":"published","published":"2022-02-15T01:57:18Z","modified":"2023-09-15T18:11:16Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:37:05.567008Z"}],"nvd":[{"id":"CVE-2018-1098","description":"A cross-site request forgery flaw was found in etcd 3.3.1 and earlier. An attacker can set up a website that tries to send a POST request to the etcd server and modify a key. Adding a key is done with PUT so it is theoretically safe (can't PUT from an HTML form or such) but POST allows creating in-order keys that an attacker can send.","status":"published","published":"2018-04-03T16:29:00.237Z","modified":"2026-06-17T01:50:28.537Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:04:24.700429Z"}],"osv":[{"id":"CVE-2018-1098","description":"A cross-site request forgery flaw was found in etcd 3.3.1 and earlier. An attacker can set up a website that tries to send a POST request to the etcd server and modify a key. Adding a key is done with PUT so it is theoretically safe (can't PUT from an HTML form or such) but POST allows creating in-order keys that an attacker can send.","status":"published","published":"2018-04-03T16:29:00.237Z","modified":"2026-10-20T10:49:52.052718444Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:07.641418Z"},{"id":"DEBIAN-CVE-2018-1098","description":"A cross-site request forgery flaw was found in etcd 3.3.1 and earlier. An attacker can set up a website that tries to send a POST request to the etcd server and modify a key. Adding a key is done with PUT so it is theoretically safe (can't PUT from an HTML form or such) but POST allows creating in-order keys that an attacker can send.","status":"published","published":"2018-04-03T16:29:00.237Z","modified":"2026-10-23T18:02:57.660583459Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:29.988046Z"},{"id":"GHSA-5gjm-fj42-x983","title":"etcd Cross-site Request Forgery (CSRF)","description":"A cross-site request forgery flaw was found in etcd 3.3.1 and earlier. An attacker can set up a website that tries to send a POST request to the etcd server and modify a key. Adding a key is done with PUT so it is theoretically safe (can't PUT from an HTML form or such) but POST allows creating in-order keys that an attacker can send.","status":"published","published":"2022-02-15T01:57:18Z","modified":"2023-11-08T03:59:44.915571Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:46:38.213481Z"},{"id":"UBUNTU-CVE-2018-1098","description":"A cross-site request forgery flaw was found in etcd 3.3.1 and earlier. An attacker can set up a website that tries to send a POST request to the etcd server and modify a key. Adding a key is done with PUT so it is theoretically safe (can't PUT from an HTML form or such) but POST allows creating in-order keys that an attacker can send.","status":"published","published":"2018-04-03T16:29:00Z","modified":"2026-10-17T12:53:47.580105538Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:16.544091Z"}]}}