{"id":"CVE-2020-15115","aliases":["GHSA-4993-m7g5-r9hh"],"title":"etcd has no minimum password length","summary":"etcd has no minimum password length","severity":"medium","cvss":5.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","vendor":"etcd","product":"go.etcd.io/etcd/client/v3","ecosystem":"go","affected":["go.etcd.io/etcd/client/v3 >= 3.4.0, < 3.4.10","go.etcd.io/etcd/client/v3 < 3.3.23"],"patched":["go.etcd.io/etcd/client/v3 3.4.10","go.etcd.io/etcd/client/v3 3.3.23"],"published":"2022-10-06","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:49:46.233984521Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-4993-m7g5-r9hh","references":[{"url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-4993-m7g5-r9hh"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15115"},{"url":"https://github.com/etcd-io/etcd"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L6B6R43Y7M3DCHWK3L3UVGE2K6WWECMP"}],"tags":["osv","go"],"epss":0.01342,"epssPercentile":0.70115,"ingestedAt":"2026-09-12T03:13:01.752Z","slug":"CVE-2020-15115","body":"## Overview\n\n### 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)\n\n## Affected packages\n\n- `go.etcd.io/etcd/client/v3 >= 3.4.0, < 3.4.10`\n- `go.etcd.io/etcd/client/v3 < 3.3.23`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `go.etcd.io/etcd/client/v3 3.4.10`\n- `go.etcd.io/etcd/client/v3 3.3.23`","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":31.9,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}