onyx

onyx --cves cve-2019-20372

CVE-2019-20372

MEDPOCnginx
score
<0.1
cvss
5.3
epss
15.0%
published
2020-01-09
kev added
—
first seen

NGINX before 1.17.7 with certain error_page configurations contains an HTTP request smuggling vulnerability, letting attackers read unauthorized web pages, exploit requires specific error_page setup.

Timeline

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

events2020-01-09 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 15.0%2026-09-23: epss 15.0%2026-09-24: epss 15.0%2026-09-25: epss 15.0%2026-09-26: epss 15.0%2026-09-27: epss 15.0%2026-09-28: epss 15.0%2026-09-29: epss 15.0%2026-09-30: epss 15.0%2026-10-01: epss 15.0%2026-10-02: epss 15.0%2026-10-03: epss 15.0%2026-10-04: epss 15.0%2026-10-05: epss 15.0%2026-10-06: epss 15.0%2026-10-07: epss 15.0%2026-10-08: epss 15.0%2026-10-09: epss 15.0%2026-10-10: epss 15.0%2026-10-11: epss 15.0%2026-10-12: epss 15.0%2026-10-13: epss 15.0%2026-10-14: epss 15.0%2026-10-15: epss 15.0%2026-10-16: epss 15.0%2026-10-18: epss 15.0%2026-10-19: epss 15.0%2026-10-20: epss 15.0%2026-10-21: epss 15.0%15.0%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx
  3. Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

CWE-444

References 11