{"id":"CVE-2020-15115","aliases":["AZL-6392","DEBIAN-CVE-2020-15115","EUVD-2022-7012","GHSA-4993-m7g5-r9hh","RHSA-2021:0916","UBUNTU-CVE-2020-15115"],"status":"published","title":"No minimum password length in etcd","description":"etcd before versions 3.3.23 and 3.4.10 does not perform any password length validation, which allows for very short passwords, such as those with a length of one. This may allow an attacker to guess or brute-force users' passwords with little computational effort.","severity":{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01342,"percentile":0.71592,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-521"],"published":"2020-08-06T21:55:12Z","modified":"2026-10-26T12:00:23Z","fixes":[{"ecosystem":"Go","package":"go.etcd.io/etcd/client/v3","fixed_in":["3.4.10","3.3.23"],"sources":["ghsa","osv"]},{"ecosystem":"Azure Linux:2","package":"etcd","fixed_in":["3.5.0-3"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"etcd","fixed_in":["3.3.25+dfsg-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"etcd","fixed_in":["3.3.25+dfsg-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"etcd","fixed_in":["3.3.25+dfsg-5"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"go.etcd.io/etcd/client/v3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.4.0"},{"fixed":"3.4.10"}]}]},{"source":"ghsa","ecosystem":"Go","package":"go.etcd.io/etcd/client/v3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.23"}]}]},{"source":"osv","ecosystem":"Azure Linux:2","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.0-3"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.25+dfsg-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.25+dfsg-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.25+dfsg-5"}]}]},{"source":"osv","ecosystem":"Go","package":"go.etcd.io/etcd/client/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"3.4.0"},{"fixed":"3.4.10"}]}]},{"source":"osv","ecosystem":"Go","package":"go.etcd.io/etcd/client/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.3.23"}]}]},{"source":"osv","ecosystem":"Red Hat:openstack:16.1::el8","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.3.23-1.el8ost"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:openstack:16.1::el8","package":"etcd-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.3.23-1.el8ost"}]}],"bundled":6},{"source":"osv","ecosystem":"Red Hat:openstack:16.1::el8","package":"etcd-debugsource","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.3.23-1.el8ost"}]}],"bundled":6},{"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":"redhat","product":"etcd"}],"references":[{"url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-4993-m7g5-r9hh","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web","article","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6B6R43Y7M3DCHWK3L3UVGE2K6WWECMP/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15115","tags":["web","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L6B6R43Y7M3DCHWK3L3UVGE2K6WWECMP/"},{"url":"https://github.com/advisories/GHSA-4993-m7g5-r9hh"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-15115","tags":["advisory"]},{"url":"https://github.com/etcd-io/etcd","tags":["package"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L6B6R43Y7M3DCHWK3L3UVGE2K6WWECMP","tags":["web"]},{"url":"https://access.redhat.com/errata/RHSA-2021:0916","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1868870","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1868872","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1868874","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1868878","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1868880","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1868883","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_0916.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-15106","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-15106","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15106","tags":["advisory"]},{"url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-p4g4-wgrh-qrg2","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-15112","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-15112","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15112","tags":["advisory"]},{"url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-m332-53r6-2w93","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-15113","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-15113","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15113","tags":["advisory"]},{"url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-chh6-ppwq-jh92","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-15114","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-15114","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15114","tags":["advisory"]},{"url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-2xhq-gv6c-p224","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-15115","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-15115","tags":["advisory","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-15136","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-15136","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15136","tags":["advisory"]},{"url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-wr2v-9rpq-c35q","tags":["article"]},{"url":"https://ubuntu.com/security/CVE-2020-15115","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-15115","title":"No minimum password length in etcd","description":"etcd before versions 3.3.23 and 3.4.10 does not perform any password length validation, which allows for very short passwords, such as those with a length of one. This may allow an attacker to guess or brute-force users' passwords with little computational effort.","status":"published","published":"2020-08-06T21:55:12Z","modified":"2024-08-04T13:08:21.734Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2022-7012","description":"etcd before versions 3.3.23 and 3.4.10 does not perform any password length validation, which allows for very short passwords, such as those with a length of one. This may allow an attacker to guess or brute-force users' passwords with little computational effort.","status":"published","published":"2020-08-06T21:55:12Z","modified":"2024-08-04T13:08:21Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:07:33.100327Z"}],"ghsa":[{"id":"GHSA-4993-m7g5-r9hh","title":"etcd has no minimum password length","description":"### Vulnerability type\nAccess Control\n\n### Workarounds\nThe etcdctl and etcd API do not enforce a specific password length during user creation or user password update operations. [It is the responsibility of the administrator to enforce these requirements](https://github.com/etcd-io/etcd/blob/master/Documentation/op-guide/authentication.md#notes-on-password-strength).\n\n### Detail\netcd does not perform any password length validation, which allows for very short passwords, such as those with a length of one. This may allow an attacker to guess or brute-force users’ passwords with little computational effort.\n\n### References\nFind out more on this vulnerability in the [security audit report](https://github.com/etcd-io/etcd/blob/master/security/SECURITY_AUDIT.pdf)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Contact the [etcd security committee](https://github.com/etcd-io/etcd/blob/master/security/security-release-process.md#product-security-committee-psc)","status":"published","published":"2022-10-06T23:14:23Z","modified":"2023-01-28T05:00:58Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T14:36:22.592333Z"}],"nvd":[{"id":"CVE-2020-15115","description":"etcd before versions 3.3.23 and 3.4.10 does not perform any password length validation, which allows for very short passwords, such as those with a length of one. This may allow an attacker to guess or brute-force users' passwords with little computational effort.","status":"published","published":"2020-08-06T22:15:12.093Z","modified":"2026-06-17T02:56:05Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T14:06:10.994748Z"}],"osv":[{"id":"AZL-6392","title":"CVE-2020-15115 affecting package etcd for versions less than 3.5.0-3","description":"etcd before versions 3.3.23 and 3.4.10 does not perform any password length validation, which allows for very short passwords, such as those with a length of one. This may allow an attacker to guess or brute-force users' passwords with little computational effort.","status":"published","published":"2020-08-06T22:15:12Z","modified":"2026-04-21T04:32:15.564951Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:28:07.805289Z"},{"id":"CVE-2020-15115","description":"etcd before versions 3.3.23 and 3.4.10 does not perform any password length validation, which allows for very short passwords, such as those with a length of one. This may allow an attacker to guess or brute-force users' passwords with little computational effort.","status":"published","published":"2020-08-06T22:15:12.093Z","modified":"2026-10-20T10:51:51.999209512Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:14.418339Z"},{"id":"DEBIAN-CVE-2020-15115","description":"etcd before versions 3.3.23 and 3.4.10 does not perform any password length validation, which allows for very short passwords, such as those with a length of one. This may allow an attacker to guess or brute-force users' passwords with little computational effort.","status":"published","published":"2020-08-06T22:15:12.093Z","modified":"2026-10-26T12:00:23.667019862Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:33.384087Z"},{"id":"GHSA-4993-m7g5-r9hh","title":"etcd has no minimum password length","description":"### Vulnerability type\nAccess Control\n\n### Workarounds\nThe etcdctl and etcd API do not enforce a specific password length during user creation or user password update operations. [It is the responsibility of the administrator to enforce these requirements](https://github.com/etcd-io/etcd/blob/master/Documentation/op-guide/authentication.md#notes-on-password-strength).\n\n### Detail\netcd does not perform any password length validation, which allows for very short passwords, such as those with a length of one. This may allow an attacker to guess or brute-force users’ passwords with little computational effort.\n\n### References\nFind out more on this vulnerability in the [security audit report](https://github.com/etcd-io/etcd/blob/master/security/SECURITY_AUDIT.pdf)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Contact the [etcd security committee](https://github.com/etcd-io/etcd/blob/master/security/security-release-process.md#product-security-committee-psc)","status":"published","published":"2022-10-06T23:14:23Z","modified":"2026-09-10T03:49:46.233984521Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T15:46:36.782754Z"},{"id":"RHSA-2021:0916","title":"Red Hat Security Advisory: Red Hat OpenStack Platform 16.1.4 (etcd) security update","status":"published","published":"2024-09-18T04:28:58Z","modified":"2026-06-27T10:13:05Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:08.071325Z"},{"id":"UBUNTU-CVE-2020-15115","description":"etcd before versions 3.3.23 and 3.4.10 does not perform any password length validation, which allows for very short passwords, such as those with a length of one. This may allow an attacker to guess or brute-force users' passwords with little computational effort.","status":"published","published":"2020-08-06T22:15:00Z","modified":"2026-10-17T12:55:45.152328082Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:23.344108Z"}]}}