{"cve":"CVE-2019-7620","nvd":{"published":"2019-10-30T14:15:11.457","modified":"2026-06-17T02:40:46.433","status":"Modified","description":"Logstash versions before 7.4.1 and 6.8.4 contain a denial of service flaw in the Logstash Beats input plugin. An unauthenticated user who is able to connect to the port the Logstash beats input could send a specially crafted network packet that would cause Logstash to stop responding.","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-400"],"references":["https://discuss.elastic.co/t/elastic-stack-6-8-4-security-update/204908","https://discuss.elastic.co/t/elastic-stack-7-4-1-security-update/204909","https://www.elastic.co/community/security","https://discuss.elastic.co/t/elastic-stack-6-8-4-security-update/204908","https://discuss.elastic.co/t/elastic-stack-7-4-1-security-update/204909"],"products":["elastic:logstash"],"source":"nvd","synced_at":"2026-10-19T20:59:25.448946135+00:00"},"epss":{"cve":"CVE-2019-7620","score":0.0208,"percentile":0.8152,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}