{"id":"CVE-2019-18817","aliases":["EUVD-2022-5336","GHSA-vc7h-cmp3-4hw5"],"status":"published","title":"Istio vulnerable to denial of service","description":"Istio 1.3.x before 1.3.5 allows Denial of Service because continue_on_listener_filters_timeout is set to True, a related issue to CVE-2019-18836.","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":0.01214,"percentile":0.68743,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-835"],"published":"2019-11-12T14:01:26Z","modified":"2026-10-20T10:52:30Z","fixes":[{"ecosystem":"Go","package":"istio.io/istio","fixed_in":["1.3.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"istio.io/istio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.3.0"},{"fixed":"1.3.5"}]}]},{"source":"osv","ecosystem":"Go","package":"istio.io/istio","ranges":[{"type":"SEMVER","events":[{"introduced":"1.3.0"},{"fixed":"1.3.5"}]}]}],"products":[{"vendor":"istio","product":"istio"}],"references":[{"url":"https://istio.io/news/2019/announcing-1.3.5/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://github.com/istio/istio/issues/18229","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18817","tags":["advisory"]},{"url":"https://github.com/istio/istio/issues/18229#issuecomment-553190142","tags":["web"]},{"url":"https://github.com/istio/istio/commit/7570a1f5b56c108aed6ecfa5d2a6048f444bfb37","tags":["web"]},{"url":"https://github.com/advisories/GHSA-vc7h-cmp3-4hw5"},{"url":"https://github.com/istio/istio","tags":["package"]},{"url":"https://istio.io/news/2019/announcing-1.3.5","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2019-18817","description":"Istio 1.3.x before 1.3.5 allows Denial of Service because continue_on_listener_filters_timeout is set to True, a related issue to CVE-2019-18836.","status":"published","published":"2019-11-12T14:01:26Z","modified":"2024-08-05T02:02:39.767Z","updated_at":"2026-11-02T14:32:23.803059Z"}],"euvd":[{"id":"EUVD-2022-5336","description":"Istio 1.3.x before 1.3.5 allows Denial of Service because continue_on_listener_filters_timeout is set to True, a related issue to CVE-2019-18836.","status":"published","published":"2019-11-12T14:01:26Z","modified":"2024-08-05T02:02:39Z","updated_at":"2026-11-03T02:40:26.778341Z"}],"ghsa":[{"id":"GHSA-vc7h-cmp3-4hw5","title":"Istio vulnerable to denial of service","description":"Istio 1.3.x before 1.3.5 is vulnerable to denial of service because `continue_on_listener_filters_timeout` is set to True, a related issue to CVE-2019-18836.","status":"published","published":"2022-05-24T22:01:14Z","modified":"2023-10-19T18:09:29Z","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"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:37:08.847568Z"}],"nvd":[{"id":"CVE-2019-18817","description":"Istio 1.3.x before 1.3.5 allows Denial of Service because continue_on_listener_filters_timeout is set to True, a related issue to CVE-2019-18836.","status":"published","published":"2019-11-12T14:15:11.407Z","modified":"2026-06-17T02:25:23.763Z","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":"2026-11-02T14:05:35.052973Z"}],"osv":[{"id":"CVE-2019-18817","description":"Istio 1.3.x before 1.3.5 allows Denial of Service because continue_on_listener_filters_timeout is set to True, a related issue to CVE-2019-18836.","status":"published","published":"2019-11-12T14:15:11.407Z","modified":"2026-10-20T10:52:30.182510274Z","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"}],"updated_at":"2026-11-02T15:44:11.673963Z"},{"id":"GHSA-vc7h-cmp3-4hw5","title":"Istio vulnerable to denial of service","description":"Istio 1.3.x before 1.3.5 is vulnerable to denial of service because `continue_on_listener_filters_timeout` is set to True, a related issue to CVE-2019-18836.","status":"published","published":"2022-05-24T22:01:14Z","modified":"2023-11-08T04:01:26.271919Z","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"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T15:46:56.981655Z"}]}}