{"id":"CVE-2023-28821","aliases":["EUVD-2023-1366","GHSA-ph6g-6v8w-8p6m"],"status":"published","title":"Missing rate limit for password resets","description":"Concrete CMS (previously concrete5) before 9.1 did not have a rate limit for password resets.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00727,"percentile":0.54494,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-640"],"published":"2023-04-28T00:00:00Z","modified":"2026-10-28T02:30:22Z","fixes":[{"ecosystem":"Packagist","package":"concrete5/concrete5","fixed_in":["9.1.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"concrete5/concrete5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.1.0"}]}]},{"source":"osv","ecosystem":"Packagist","package":"concrete5/concrete5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.1.0"}]}],"versions":["8.0","8.0.1","8.0.2","8.0.3","8.1.0","8.2.0","8.2.0RC2","8.2.1","8.3.0","8.3.1","8.3.2","8.4.0","8.4.0RC3","8.4.0RC4","8.4.1","8.4.2","8.4.3","8.4.4","8.4.5","8.5.0","8.5.0RC1","8.5.0RC2","8.5.1","8.5.10","8.5.11","8.5.12","8.5.13","8.5.14","8.5.15","8.5.16","8.5.17","8.5.18","8.5.19","8.5.2","8.5.20","8.5.21","8.5.3","8.5.4","8.5.5","8.5.6","8.5.6RC1","8.5.7","8.5.8","8.5.9","9.0.0","9.0.0RC1","9.0.0RC3","9.0.0RC4","9.0.1","9.0.2"]}],"products":[{"vendor":"concretecms","product":"concrete_cms"}],"references":[{"url":"https://github.com/concretecms/concretecms/releases","tags":["x_transferred","Release Notes","package","web"]},{"url":"https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2023-04-20","tags":["x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28821","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-ph6g-6v8w-8p6m"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28821.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-28821","description":"Concrete CMS (previously concrete5) before 9.1 did not have a rate limit for password resets.","status":"published","published":"2023-04-28T00:00:00Z","modified":"2025-01-30T20:47:58.107Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N","level":"medium","assessor":"cna"}],"cwes":["CWE-640"],"updated_at":"2026-11-02T14:35:32.752775Z"}],"euvd":[{"id":"EUVD-2023-1366","description":"Concrete CMS (previously concrete5) before 9.1 did not have a rate limit for password resets.","status":"published","published":"2023-04-28T00:00:00Z","modified":"2025-01-30T20:47:58Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N","level":"medium"}],"updated_at":"2026-11-03T00:04:08.578338Z"}],"ghsa":[{"id":"GHSA-ph6g-6v8w-8p6m","title":"Missing rate limit for password resets","description":"Concrete CMS (previously concrete5) before 9.1 did not have a rate limit for password resets.","status":"published","published":"2023-04-28T15:30:19Z","modified":"2025-01-30T21:35:00Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-640"],"updated_at":"2026-11-02T14:38:28.945236Z"}],"nvd":[{"id":"CVE-2023-28821","description":"Concrete CMS (previously concrete5) before 9.1 did not have a rate limit for password resets.","status":"published","published":"2023-04-28T14:15:10.753Z","modified":"2026-06-17T05:48:50.557Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"}],"cwes":["CWE-640"],"updated_at":"2026-11-02T14:07:59.151142Z"}],"osv":[{"id":"CVE-2023-28821","description":"Concrete CMS (previously concrete5) before 9.1 did not have a rate limit for password resets.","status":"published","published":"2023-04-28T00:00:00Z","modified":"2026-10-28T02:30:22.296772409Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N","level":"medium"}],"updated_at":"2026-11-02T15:44:31.468318Z"},{"id":"GHSA-ph6g-6v8w-8p6m","title":"Missing rate limit for password resets","description":"Concrete CMS (previously concrete5) before 9.1 did not have a rate limit for password resets.","status":"published","published":"2023-04-28T15:30:19Z","modified":"2026-09-10T03:49:18.737709848Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-640"],"updated_at":"2026-11-02T15:46:53.244788Z"}]}}