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Medium, CVSS 5.9

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

CVE-2020-35216GHSA-6vvh-5794-vpmj

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • Maven io.atomix:atomix

    Affected
    <= 3.1.5
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
5.9 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
  • CVE-2020-35216: 0.68% estimated exploitation activity in the next 30 days; percentile 52.52 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

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

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-6vvh-5794-vpmj

Agent brief

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# Patch Next advisory brief: CVE-2020-35216

Advisory: An issue in Atomix v3.1.5 allows attackers to cause a denial of service (DoS) via false member down event messages.
IDs: CVE-2020-35216, GHSA-6vvh-5794-vpmj
Record: https://patchnext.com/advisories/cve-2020-35216 (revision 1, source checked 26 Oct 2026, 16:07 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 5.9)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven io.atomix:atomix: affected <= 3.1.5

## Suggested inspection (read-only)
- Maven io.atomix:atomix: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on io.atomix:atomix.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-6vvh-5794-vpmj (GitHub-reviewed advisory GHSA-6vvh-5794-vpmj lists affected ranges: Maven io.atomix:atomix >=0 <=3.1.5)

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