onyx

onyx --cves cve-2021-22939

CVE-2021-22939

MEDPOCNode.js
score
<0.1
cvss
5.3
epss
14.7%
published
2021-08-16
kev added
—
first seen

Node.js https API with 'undefined' passed for 'rejectUnauthorized' parameter contains an insecure default causing connections to servers with expired certificates to be accepted without error, exploit requires incorrect API usage.

Timeline

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

events2021-08-16 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 14.7%2026-09-23: epss 14.7%2026-09-24: epss 14.7%2026-09-25: epss 14.7%2026-09-26: epss 14.7%2026-09-27: epss 14.7%2026-09-28: epss 14.7%2026-09-29: epss 14.7%2026-09-30: epss 14.7%2026-10-01: epss 14.7%2026-10-02: epss 14.7%2026-10-03: epss 14.7%2026-10-04: epss 14.7%2026-10-05: epss 14.7%2026-10-06: epss 14.7%2026-10-07: epss 14.7%2026-10-08: epss 14.7%2026-10-09: epss 14.7%2026-10-10: epss 14.7%2026-10-11: epss 14.7%2026-10-12: epss 14.7%2026-10-13: epss 14.7%2026-10-14: epss 14.7%2026-10-15: epss 14.7%2026-10-16: epss 14.7%2026-10-18: epss 14.7%2026-10-19: epss 14.7%2026-10-20: epss 14.7%2026-10-21: epss 14.7%14.7%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-295

References 9