{"id":"GHSA-9h6g-6mxg-vvp4","aliases":[],"url":"https://o3.security/vulnerability/GHSA-9h6g-6mxg-vvp4","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","published":"2021-04-19T14:47:18Z","modified":"2024-12-02T05:45:00.685897Z","cvss":{"score":4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"com.vaadin:vaadin-bom","fixedVersion":"19.0.1"},{"ecosystem":"Maven","name":"com.vaadin:vaadin-bom","fixedVersion":"18.0.7"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/vaadin/platform/security/advisories/GHSA-9h6g-6mxg-vvp4"},{"type":"WEB","url":"https://github.com/vaadin/platform"},{"type":"WEB","url":"https://vaadin.com/security/cve-2021-31406"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2024-12-02T05:45:00.685897Z"}}