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Fencer Vulns
medium 5.9

CVE-2020-35216 json

An issue in Atomix v3.1.5 allows attackers to cause a denial of service (DoS) via false member down event messages.

published 2021-12-16 4 y ago modified 2026-06-17 4 mo ago also GHSA-6vvh-5794-vpmj , EUVD-2021-2462

cvss
5.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

An issue in Atomix v3.1.5 allows attackers to cause a denial of service (DoS) via false member down event messages.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-35216 updated cvss 5.9

atomix: Atomix 3.1.5 Event Message denial of service

  • Red Hat Fuse 7 atomix atomix Red Hat Integration Camel K 1 atomix atomix
    affected: no fix planned “Will not fix”
  • Red Hat build of Quarkus io.quarkus.platform-quarkus-platform-config io.quarkus.platform-quarkus-platform-config Red Hat Integration Camel Quarkus 1 atomix atomix
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P
GitHub 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
maven io.atomix:atomix
<=3.1.5
 no fix listed

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.