{"id":"CVE-2019-19643","aliases":["EUVD-2019-9253","GHSA-wq8h-q5g7-j5pr"],"status":"published","title":"ise smart connect KNX Vaillant 1.2.839 contain a Denial of Service.","description":"ise smart connect KNX Vaillant 1.2.839 contain a Denial of Service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01373,"percentile":0.72165,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400","CWE-835"],"published":"2020-08-14T14:02:11Z","modified":"2026-06-17T02:26:59Z","products":[{"vendor":"ise","product":"smart_connect_knx_vaillant"}],"references":[{"url":"https://psytester.github.io/CVE-2019-19643/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-19643"},{"url":"https://github.com/advisories/GHSA-wq8h-q5g7-j5pr"}],"sources":{"cve":[{"id":"CVE-2019-19643","description":"ise smart connect KNX Vaillant 1.2.839 contain a Denial of Service.","status":"published","published":"2020-08-14T14:02:11Z","modified":"2024-08-05T02:25:11.533Z","updated_at":"2026-11-02T14:20:20.74896Z"}],"euvd":[{"id":"EUVD-2019-9253","description":"ise smart connect KNX Vaillant 1.2.839 contain a Denial of Service.","status":"published","published":"2020-08-14T14:02:11Z","modified":"2024-08-05T02:25:11Z","updated_at":"2026-11-03T02:40:24.842572Z"}],"ghsa":[{"id":"GHSA-wq8h-q5g7-j5pr","title":"ise smart connect KNX Vaillant 1.2.839 contain a Denial of Service.","description":"ise smart connect KNX Vaillant 1.2.839 contain a Denial of Service.","status":"published","published":"2022-05-24T17:25:42Z","modified":"2023-01-29T05:04:09Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:45:28.958037Z"}],"nvd":[{"id":"CVE-2019-19643","description":"ise smart connect KNX Vaillant 1.2.839 contain a Denial of Service.","status":"published","published":"2020-08-14T15:15:13.127Z","modified":"2026-06-17T02:26:59.683Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:05:47.558959Z"}]}}