onyx

onyx --cves cve-2020-8569

CVE-2020-8569

MEDPOCKubernetes
score
<0.1
cvss
4.3
epss
2.2%
published
2021-01-21
kev added
—
first seen

Kubernetes CSI snapshot-controller prior to v2.1.3 and v3.0.2 contains a panic caused by referencing non-existing PersistentVolumeClaim and missing VolumeSnapshotClass in VolumeSnapshot resources, letting users be unable to take or delete snapshots, exploit requires processing specific VolumeSnapshot resources.

Timeline

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

events2021-01-21 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 2.3%2026-09-23: epss 2.3%2026-09-24: epss 2.3%2026-09-25: epss 2.3%2026-09-26: epss 2.3%2026-09-27: epss 2.3%2026-09-28: epss 2.3%2026-09-29: epss 2.3%2026-09-30: epss 2.3%2026-10-01: epss 2.3%2026-10-02: epss 2.3%2026-10-03: epss 2.3%2026-10-04: epss 2.3%2026-10-05: epss 2.3%2026-10-06: epss 2.3%2026-10-07: epss 2.3%2026-10-08: epss 2.3%2026-10-09: epss 2.3%2026-10-10: epss 2.3%2026-10-11: epss 2.3%2026-10-12: epss 2.3%2026-10-13: epss 2.3%2026-10-14: epss 2.3%2026-10-15: epss 2.3%2026-10-16: epss 2.3%2026-10-18: epss 2.2%2026-10-19: epss 2.2%2026-10-20: epss 2.2%2026-10-21: epss 2.2%2.2%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-476

References 2