{"id":"GHSA-p7jq-v8jp-j424","summary":"Timing side channel vulnerability in endpoint request handler in Vaadin 15-19","details":"Non-constant-time comparison of CSRF tokens in endpoint request handler in `com.vaadin:flow-server` versions 3.0.0 through 5.0.3 (Vaadin 15.0.0 through 18.0.6), and com.vaadin:fusion-endpoint version 6.0.0 (Vaadin 19.0.0) allows attacker to guess a security token for Fusion endpoints via timing attack.\n\n- https://vaadin.com/security/cve-2021-31406","aliases":["CVE-2021-31406"],"modified":"2023-11-08T04:05:48.283602Z","published":"2021-04-19T14:50:38Z","database_specific":{"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2021-04-16T23:15:49Z","nvd_published_at":"2021-04-23T16:15:00Z","cwe_ids":["CWE-203","CWE-208"]},"references":[{"type":"WEB","url":"https://github.com/vaadin/flow/security/advisories/GHSA-p7jq-v8jp-j424"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31406"},{"type":"WEB","url":"https://github.com/vaadin/flow/pull/10157"},{"type":"WEB","url":"https://vaadin.com/security/cve-2021-31406"}],"affected":[{"package":{"name":"com.vaadin:flow-server","ecosystem":"Maven","purl":"pkg:maven/com.vaadin/flow-server"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"5.0.4"}]}],"versions":["3.0.0","3.0.1","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.1.0","3.1.1","3.1.2","3.1.3","3.1.5","3.1.6","3.1.7","4.0.0","4.0.1","4.0.2","4.0.3","4.0.4","4.0.5","4.0.6","4.0.7","4.0.8","5.0.0","5.0.1","5.0.2","5.0.3"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/04/GHSA-p7jq-v8jp-j424/GHSA-p7jq-v8jp-j424.json"}},{"package":{"name":"com.vaadin:flow-server","ecosystem":"Maven","purl":"pkg:maven/com.vaadin/flow-server"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.0.1"}]}],"versions":["6.0.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/04/GHSA-p7jq-v8jp-j424/GHSA-p7jq-v8jp-j424.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}