{"id":"CVE-2021-31405","aliases":["GHSA-2wqp-jmcc-mc77"],"url":"https://o3.security/vulnerability/CVE-2021-31405","summary":"Regular expression denial of service (ReDoS) in EmailField component in Vaadin 14 and 15-17","details":"Unsafe validation RegEx in `EmailField` component in `com.vaadin:vaadin-text-field-flow` versions 2.0.4 through 2.3.2 (Vaadin 14.0.6 through 14.4.3), and 3.0.0 through 4.0.2 (Vaadin 15.0.0 through 17.0.10) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.\n\n- https://vaadin.com/security/cve-2021-31405","published":"2021-04-23T16:15:08.687Z","modified":"2026-10-25T01:16:50.757957134Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"com.vaadin:vaadin-bom","fixedVersion":"14.4.4"},{"ecosystem":"Maven","name":"com.vaadin:vaadin-bom","fixedVersion":"17.0.11"}],"fix":{"url":"https://github.com/vaadin/flow-components/pull/442","label":"vaadin/flow-components#442"},"references":[{"type":"ADVISORY","url":"https://vaadin.com/security/cve-2021-31405"},{"type":"FIX","url":"https://github.com/vaadin/flow-components/pull/442"},{"type":"WEB","url":"https://github.com/vaadin/platform/security/advisories/GHSA-2wqp-jmcc-mc77"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31405"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-25T01:16:50.757957134Z"}}