onyx

onyx --cves cve-2015-5619

CVE-2015-5619

score
<0.1
cvss
5.9
epss
1.2%
published
2017-08-09
kev added
—
first seen

Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder contains a man-in-the-middle caused by lack of SSL/TLS certificate validation, letting attackers intercept sensitive information, exploit requires attacker to perform MITM attack.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2017-08-09 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoC: http://packetstormsecurity.com/files/133269/Logstash-1.5.3-Man-In-The-Middle.htmlXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 1.2%2026-09-23: epss 1.2%2026-09-24: epss 1.2%2026-09-25: epss 1.2%2026-09-26: epss 1.2%2026-09-27: epss 1.2%2026-09-28: epss 1.2%2026-09-29: epss 1.2%2026-09-30: epss 1.2%2026-10-01: epss 1.2%2026-10-02: epss 1.2%2026-10-03: epss 1.2%2026-10-04: epss 1.2%2026-10-05: epss 1.2%2026-10-06: epss 1.2%2026-10-07: epss 1.2%2026-10-08: epss 1.2%2026-10-09: epss 1.2%2026-10-10: epss 1.2%2026-10-11: epss 1.2%2026-10-12: epss 1.2%2026-10-13: epss 1.2%2026-10-14: epss 1.2%2026-10-15: epss 1.2%2026-10-16: epss 1.2%2026-10-18: epss 1.2%2026-10-19: epss 1.2%2026-10-20: epss 1.2%2026-10-21: epss 1.2%1.2%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx
  3. Public PoC http://packetstormsecurity.com/files/133269/Logstash-1.5.3-Man-In-The-Middle.html

Exploit availability

Weaknesses

CWE-295

References 5