{"id":"CVE-2021-33840","details":"The server in Luca through 1.1.14 allows remote attackers to cause a denial of service (insertion of many fake records related to COVID-19) because Phone Number data lacks a digital signature.","modified":"2026-04-12T03:28:05.096632Z","published":"2021-06-04T00:15:07.410Z","references":[{"type":"ADVISORY","url":"https://gitlab.com/lucaapp/web/-/issues/1#note_560963608"},{"type":"ADVISORY","url":"https://luca-app.de/securityoverview/processes/guest_registration.html#verifying-the-contact-data"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/lucaapp/web","events":[{"introduced":"0"},{"last_affected":"edea19acdc2b37cb456f0db2161bbed57f59b550"}],"database_specific":{"cpe":"cpe:2.3:a:luca-app:luca:*:*:*:*:*:android:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.1.14"}],"source":"CPE_FIELD"}}],"versions":["v1.0.0","v1.0.1","v1.0.2","v1.0.3","v1.0.4","v1.0.5","v1.1.0","v1.1.1","v1.1.10","v1.1.11","v1.1.12","v1.1.13","v1.1.14","v1.1.2","v1.1.3","v1.1.4","v1.1.5","v1.1.6","v1.1.7","v1.1.8","v1.1.9"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-33840.json"}}],"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"}]}