{"id":"CVE-2020-36320","details":"Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.","aliases":["GHSA-42j4-733x-5vcf"],"modified":"2026-07-08T20:43:00.384998Z","published":"2021-04-23T16:15:08.360Z","references":[{"type":"ADVISORY","url":"https://vaadin.com/security/cve-2020-36320"},{"type":"FIX","url":"https://github.com/vaadin/framework/issues/7757"},{"type":"FIX","url":"https://github.com/vaadin/framework/pull/12104"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/vaadin/framework","events":[{"introduced":"b29ce01468ed115e942105986da362d665408033"},{"fixed":"2e8b9d2b5b40652321aaa9d2bb2dba1041da7fc4"}],"database_specific":{"cpe":"cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"7.0.0"},{"fixed":"7.7.22"}],"source":"CPE_RANGE"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36320.json","vanir_signatures_modified":"2026-07-08T20:43:00Z","vanir_signatures":[{"digest":{"function_hash":"70238186071019796089957604109989074107","length":803},"id":"CVE-2020-36320-0b17bf01","signature_type":"Function","signature_version":"v1","source":"https://github.com/vaadin/framework/commit/2e8b9d2b5b40652321aaa9d2bb2dba1041da7fc4","target":{"file":"client/src/main/java/com/vaadin/client/widgets/Grid.java","function":"resetDataAndSize"},"deprecated":false},{"digest":{"function_hash":"159032919065872499528707002309020957668","length":2659},"id":"CVE-2020-36320-5403185e","signature_type":"Function","signature_version":"v1","source":"https://github.com/vaadin/framework/commit/2e8b9d2b5b40652321aaa9d2bb2dba1041da7fc4","target":{"file":"client/src/main/java/com/vaadin/client/widgets/Grid.java","function":"setDataSource"},"deprecated":false},{"deprecated":false,"digest":{"line_hashes":["112588331114063840301821684161472131075","259725082016287695756474403627992790190","285569396673585442444274777239224239797","287030043245834058136881203736707252383","163998985132657330949057748938740710735","82967592614209807592900968106297214298","326624101632401204292249361457727064036"],"threshold":0.9},"id":"CVE-2020-36320-c5e9f4a9","signature_type":"Line","signature_version":"v1","source":"https://github.com/vaadin/framework/commit/2e8b9d2b5b40652321aaa9d2bb2dba1041da7fc4","target":{"file":"client/src/main/java/com/vaadin/client/widgets/Grid.java"}}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}