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MEDIUM severity

CVE-2020-35215 — atomix

MEDIUM

CVE-2020-35215 is a medium-severity (CVSS 6.5) CWE-668 vulnerability in io.atomix:atomix. No vendor fix is recorded yet; mitigation options are listed below.

Malicious Atomix node queries expose sensitive information

Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Oct 2, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.8%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs56th percentile — riskier than 56% of all scored CVEsHighest risk
0.00%0.45%0.90%1.34%0.3%0.8%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2020-35215 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,738 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
☕io.atomix:atomix

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

An issue in Atomix v3.1.5 allows attackers to access sensitive information when a malicious Atomix node queries distributed variable primitives which contain the entire primitive lists that ONOS nodes use to share important states.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
☕Mavenio.atomix:atomixall versionsNo fix

Affected Products

1 product · 1 configurations
Application
atomixatomix
1 version
3.1.5

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for io.atomix:atomix, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    No patched version of io.atomix:atomix has shipped for CVE-2020-35215 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

An issue in Atomix v3.1.5 allows attackers to access sensitive information when a malicious Atomix node queries distributed variable primitives which contain the entire primitive lists that ONOS nodes use to share important states.
O3 Security · Impact-Aware SCA

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CVE-2020-35215: atomix (Medium 6.5)