{"id":"CVE-2015-5619","aliases":["EUVD-2015-5571","GHSA-68pf-743m-hv2w"],"status":"published","title":"Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash...","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.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01219,"percentile":0.68843,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2017-08-09T16:00:00Z","modified":"2026-06-17T00:29:27Z","products":[{"vendor":"elastic","product":"logstash"},{"vendor":"elasticsearch","product":"logstash"}],"references":[{"url":"http://www.securityfocus.com/bid/76455","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.elastic.co/blog/logstash-1-5-4-and-1-4-5-released","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/archive/1/536294/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://packetstormsecurity.com/files/133269/Logstash-1.5.3-Man-In-The-Middle.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/archive/1/536858/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-5619"},{"url":"https://github.com/advisories/GHSA-68pf-743m-hv2w"}],"sources":{"cve":[{"id":"CVE-2015-5619","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.","status":"published","published":"2017-08-09T16:00:00Z","modified":"2024-08-06T06:59:02.746Z","updated_at":"2026-11-02T14:35:39.447402Z"}],"euvd":[{"id":"EUVD-2015-5571","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.","status":"published","published":"2017-08-09T16:00:00Z","modified":"2024-08-06T06:59:02Z","updated_at":"2026-11-03T02:21:59.31515Z"}],"ghsa":[{"id":"GHSA-68pf-743m-hv2w","title":"Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash...","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.","status":"published","published":"2022-05-14T00:58:12Z","modified":"2023-02-02T05:02:41Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:51:29.873049Z"}],"nvd":[{"id":"CVE-2015-5619","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.","status":"published","published":"2017-08-09T16:29:00.283Z","modified":"2026-06-17T00:29:27.513Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:03:17.730372Z"}]}}