onyx

onyx --cves cve-2022-21340

CVE-2022-21340

MEDPOCOpenJDK
score
<0.1
cvss
5.3
epss
7.7%
published
2022-01-19
kev added
—
first seen

Oracle Java SE (7u321, 8u311, 11.0.13, 17.0.1) and GraalVM Enterprise Edition (20.3.4, 21.3.0) contain a partial denial of service caused by an untrusted code execution vulnerability in Libraries, letting unauthenticated remote attackers cause partial service disruption, exploit requires network access via multiple protocols.

Timeline

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

events2022-01-19 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 7.7%2026-09-23: epss 7.7%2026-09-24: epss 7.7%2026-09-25: epss 7.7%2026-09-26: epss 7.7%2026-09-27: epss 7.7%2026-09-28: epss 7.7%2026-09-29: epss 7.7%2026-09-30: epss 7.7%2026-10-01: epss 7.7%2026-10-02: epss 7.7%2026-10-03: epss 7.7%2026-10-04: epss 7.7%2026-10-05: epss 7.7%2026-10-06: epss 7.7%2026-10-07: epss 7.7%2026-10-08: epss 7.7%2026-10-09: epss 7.7%2026-10-10: epss 7.7%2026-10-11: epss 7.7%2026-10-12: epss 7.7%2026-10-13: epss 7.7%2026-10-14: epss 7.7%2026-10-15: epss 7.7%2026-10-16: epss 7.7%2026-10-18: epss 7.7%2026-10-19: epss 7.7%2026-10-20: epss 7.7%2026-10-21: epss 7.7%7.7%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

NVD-CWE-noinfo CWE-400

References 6