{"id":"CVE-2021-3663","aliases":["GHSA-56cx-wf47-hx7w"],"url":"https://o3.security/vulnerability/CVE-2021-3663","summary":" No Restriction of Excessive Authentication Attempts in Firefly III","details":"firefly-iii is vulnerable to Improper Restriction of Excessive Authentication Attempts","published":"2021-07-25T14:15:08.317Z","modified":"2026-07-08T22:13:33.772643Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Packagist","name":"grumpydictator/firefly-iii","fixedVersion":"5.5.13"}],"fix":{"url":"https://github.com/firefly-iii/firefly-iii/commit/afc9f4b7ebc8a240c85864a6e1abda62bfeefae8","label":"firefly-iii/firefly-iii@afc9f4b"},"references":[{"type":"FIX","url":"https://github.com/firefly-iii/firefly-iii/commit/afc9f4b7ebc8a240c85864a6e1abda62bfeefae8"},{"type":"EVIDENCE","url":"https://huntr.dev/bounties/497bdf6d-7dba-49c3-8011-1c64dfbb3380"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T22:13:33.772643Z"}}