{"id":"CVE-2022-34530","title":"An issue in the login and reset password functionality of Backdrop CMS v1.22.0 allows attackers to enumerate usernames via password reset requests and distinct responses returned based on usernames.","summary":"An issue in the login and reset password functionality of Backdrop CMS v1.22.0 allows attackers to enumerate usernames via password reset requests and distinct responses returned based on usernames.","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-640"],"vendor":"backdropcms","product":"backdrop_cms","affected":["backdrop_cms <= 1.22.0"],"published":"2022-08-01","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-34530","references":[{"url":"https://github.com/Accenture/AARO-Bugs/blob/master/AARO-CVE-List.md","label":"cve@mitre.org"},{"url":"http://backdrop.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/Accenture/AARO-Bugs/blob/master/AARO-CVE-List.md","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00604,"epssPercentile":0.47286,"ingestedAt":"2026-07-06T17:03:24.865Z","slug":"CVE-2022-34530","body":"## Overview\n\nAn issue in the login and reset password functionality of Backdrop CMS v1.22.0 allows attackers to enumerate usernames via password reset requests and distinct responses returned based on usernames.\n\n## Affected\n\n- `backdrop_cms <= 1.22.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}