onyx

onyx --cves cve-2021-22883

CVE-2021-22883

score
<0.1
cvss
7.5
epss
77.4%
published
2021-03-03
kev added
—
first seen

Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0 contain a denial of service caused by excessive connection attempts with 'unknownProtocol', leading to file descriptor leaks and potential system resource exhaustion.

Timeline

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

events2021-03-03 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 74.4%2026-09-23: epss 74.4%2026-09-24: epss 74.4%2026-09-25: epss 74.4%2026-09-26: epss 74.4%2026-09-27: epss 74.4%2026-09-28: epss 74.4%2026-09-29: epss 74.4%2026-09-30: epss 74.4%2026-10-01: epss 74.4%2026-10-02: epss 74.4%2026-10-03: epss 74.4%2026-10-04: epss 74.4%2026-10-05: epss 74.4%2026-10-06: epss 77.4%2026-10-07: epss 77.4%2026-10-08: epss 77.4%2026-10-09: epss 77.4%2026-10-10: epss 77.4%2026-10-11: epss 77.4%2026-10-12: epss 77.4%2026-10-13: epss 77.4%2026-10-14: epss 77.4%2026-10-15: epss 77.4%2026-10-16: epss 77.4%2026-10-18: epss 77.4%2026-10-19: epss 77.4%2026-10-20: epss 77.4%2026-10-21: epss 77.4%77.4%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-400 CWE-772

References 10