# CVE-2020-35209: An issue in Atomix v3.1.5 allows unauthorized Atomix nodes to join a target cluster via providing configuration information.

Source: https://junglewise.ai/threats/cve-2020-35209-an-issue-in-atomix-v3-1-5-allows-unauthorized-atomix-nodes-to  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-12-17  
License: CC BY 4.0 with a link back

CVE-2020-35209 · Severity: low · CVSS 3.1 · Published 2021-12-17

An issue in Atomix v3.1.5 allows unauthorized Atomix nodes to join a target cluster via providing configuration information.

Technologies: [io.atomix:atomix (Maven)](https://junglewise.ai/threats/technologies/io-atomix-atomix). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2020-35209 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-35209 being exploited in the wild.

**How severe is CVE-2020-35209?** Low severity, with a CVSS score of 3.1, published 17 December 2021.

**Which products and versions are affected?** io.atomix:atomix (Maven) ECOSYSTEM:introduced=0,last_affected=3.1.5.

**Is there a fix for CVE-2020-35209?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2020-35209?** Check whether you run io.atomix:atomix (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- io.atomix:atomix (Maven) ECOSYSTEM:introduced=0,last_affected=3.1.5

## Identifiers

- CVE-2020-35209
- GHSA-7fr2-94h7-ccg2

## Related threats

- [Malicious Atomix node queries expose sensitive information](https://junglewise.ai/threats/cve-2020-35215-malicious-atomix-node-queries-expose-sensitive-information)
- [An issue in Atomix v3.1.5 allows a malicious Atomix node to remove states of ONOS storage via abuse of primitive operations.](https://junglewise.ai/threats/cve-2020-35214-an-issue-in-atomix-v3-1-5-allows-a-malicious-atomix-node-to)
- [A vulnerability in Atomix v3.1.5 allows attackers to cause a denial of service (DoS) via a Raft session flooding…](https://junglewise.ai/threats/cve-2020-35210-a-vulnerability-in-atomix-v3-1-5-allows-attackers-to-cause-a)
- [An issue in Atomix v3.1.5 allows attackers to cause a denial of service (DoS) via false member down event messages.](https://junglewise.ai/threats/cve-2020-35216-an-issue-in-atomix-v3-1-5-allows-attackers-to-cause-a-denial-of)
- [An issue in Atomix v3.1.5 allows attackers to cause a denial of service (DoS) via false link event messages sent to a master ONOS node.](https://junglewise.ai/threats/cve-2020-35213-an-issue-in-atomix-v3-1-5-allows-attackers-to-cause-a-denial-of)