{"cve":"CVE-2015-5619","nvd":{"published":"2017-08-09T16:29:00.283","modified":"2026-06-17T00:29:27.513","status":"Modified","description":"Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder does not validate SSL/TLS certificates from the Logstash server, which might allow attackers to obtain sensitive information via a man-in-the-middle attack.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-295"],"references":["http://packetstormsecurity.com/files/133269/Logstash-1.5.3-Man-In-The-Middle.html","http://www.securityfocus.com/archive/1/536294/100/0/threaded","http://www.securityfocus.com/archive/1/536858/100/0/threaded","http://www.securityfocus.com/bid/76455","https://www.elastic.co/blog/logstash-1-5-4-and-1-4-5-released"],"products":["elastic:logstash","elasticsearch:logstash"],"source":"nvd","synced_at":"2026-10-19T20:44:47.710380879+00:00"},"epss":{"cve":"CVE-2015-5619","score":0.01219,"percentile":0.68654,"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."]}