onyx

onyx --cves cve-2020-8277

CVE-2020-8277

HIGHPOCNode.js
score
<0.1
cvss
7.5
epss
54.2%
published
2020-11-19
kev added
—
first seen

Node.js versions < 15.2.1, < 14.15.1, and < 12.19.1 contain a denial of service caused by triggering DNS requests with large response sizes, letting attackers cause application unavailability, exploit requires attacker to trigger DNS resolution.

Timeline

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

events2020-11-19 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 54.2%2026-09-23: epss 54.2%2026-09-24: epss 54.2%2026-09-25: epss 54.2%2026-09-26: epss 54.2%2026-09-27: epss 54.2%2026-09-28: epss 54.2%2026-09-29: epss 54.2%2026-09-30: epss 54.2%2026-10-01: epss 54.2%2026-10-02: epss 54.2%2026-10-03: epss 54.2%2026-10-04: epss 54.2%2026-10-05: epss 54.2%2026-10-06: epss 54.2%2026-10-07: epss 54.2%2026-10-08: epss 54.2%2026-10-09: epss 54.2%2026-10-10: epss 54.2%2026-10-11: epss 54.2%2026-10-12: epss 54.2%2026-10-13: epss 54.2%2026-10-14: epss 54.2%2026-10-15: epss 54.2%2026-10-16: epss 54.2%2026-10-18: epss 54.2%2026-10-19: epss 54.2%2026-10-20: epss 54.2%2026-10-21: epss 54.2%54.2%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-400

References 13