{"cve":"CVE-2019-18817","nvd":{"published":"2019-11-12T14:15:11.407","modified":"2026-06-17T02:25:23.763","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-835"],"references":["https://github.com/istio/istio/issues/18229","https://istio.io/news/2019/announcing-1.3.5/","https://github.com/istio/istio/issues/18229","https://istio.io/news/2019/announcing-1.3.5/"],"products":["istio:istio"],"source":"nvd","synced_at":"2026-10-19T20:59:25.448946135+00:00"},"epss":{"cve":"CVE-2019-18817","score":0.01214,"percentile":0.68534,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-vc7h-cmp3-4hw5","url":"https://osv.dev/vulnerability/GHSA-vc7h-cmp3-4hw5","summary":"Istio vulnerable to denial of service","modified":"2023-11-08T04:01:26.271919Z","packages":[{"ecosystem":"Go","name":"istio.io/istio","purl":"pkg:golang/istio.io/istio","ranges":[">=1.3.0 <1.3.5"],"fixed":["1.3.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}