{"id":"CVE-2021-33609","aliases":["EUVD-2021-2248","GHSA-qcgx-crrx-38v5"],"status":"published","title":"Denial of service in DataCommunicator class in Vaadin 8","description":"Missing check in DataCommunicator class in com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 (Vaadin 8.0.0 through 8.14.0) allows authenticated network attacker to cause heap exhaustion by requesting too many rows of 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Advisory","advisory","web"]},{"url":"https://github.com/vaadin/framework/pull/12415","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/vaadin/framework/security/advisories/GHSA-qcgx-crrx-38v5","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33609","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qcgx-crrx-38v5"},{"url":"https://github.com/vaadin/framework","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-33609","title":"Denial of service in DataCommunicator class in Vaadin 8","description":"Missing check in DataCommunicator class in com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 (Vaadin 8.0.0 through 8.14.0) allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data.","status":"published","published":"2021-10-13T10:58:35.736Z","modified":"2024-09-16T21:04:18.638Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-2248","description":"Missing check in DataCommunicator class in com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 (Vaadin 8.0.0 through 8.14.0) allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data.","status":"published","published":"2021-10-13T10:58:35Z","modified":"2024-09-16T21:04:18Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:55:08.578591Z"}],"ghsa":[{"id":"GHSA-qcgx-crrx-38v5","title":"Denial of service in DataCommunicator class in Vaadin 8","description":"Missing check in `DataCommunicator` class in 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data.","status":"published","published":"2021-10-13T11:15:07.133Z","modified":"2026-10-24T10:50:41.795754276Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:20.13324Z"},{"id":"GHSA-qcgx-crrx-38v5","title":"Denial of service in DataCommunicator class in Vaadin 8","description":"Missing check in `DataCommunicator` class in `com.vaadin:vaadin-server` versions 8.0.0 through 8.14.0 (Vaadin 8.0.0 through 8.14.0) allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data.","status":"published","published":"2021-10-13T18:54:09Z","modified":"2024-05-15T05:49:24.261871Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-20","CWE-400"],"updated_at":"2026-11-02T15:46:54.40888Z"}]}}