What is CVE-2020-35210?

CVE-2020-35210 is a medium-severity vulnerability in Atomix, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2021-12-16.

How severe is CVE-2020-35210?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Atomix

CVE-2020-35210

A vulnerability in Atomix v3.1.5 allows attackers to cause a denial of service (DoS) via a Raft session flooding attack using Raft OpenSessionRequest messages.

Published 2021-12-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Atomix

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

docs.google.com/presentation/d/1eZznIciFI06_5UJrXvlLugH2-nmjfYpQO5NyNMc9RxU/edit (Third Party Advisory)

Frequently asked questions

What is CVE-2020-35210?: CVE-2020-35210 is a medium-severity vulnerability in Atomix, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2021-12-16.
How severe is CVE-2020-35210?: Medium severity. CVSS v3 base score is 6.5 out of 10.