How severe is CVE-2020-35210?

CVE-2020-35210 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-35210 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35210?

CVE-2020-35210 affects Atomix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35210?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-35210 published?

CVE-2020-35210 was published on 2021-12-16 and last updated on 2026-06-17.

CVE-2020-35210

CVE-2020-35210 is a medium-severity vulnerability in Atomix with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Atomix
Published: 2021-12-16
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-35210?: CVE-2020-35210 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-35210 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35210?: CVE-2020-35210 affects Atomix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35210?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-35210 published?: CVE-2020-35210 was published on 2021-12-16 and last updated on 2026-06-17.

References

https://docs.google.com/presentation/d/1eZznIciFI06_5UJrXvlLugH2-nmjfYpQO5NyNMc9RxU/edit?usp=sharing

Affected products (1)

cpe:2.3:a:atomix:atomix:*:*:*:*:*:*:*:*

More vulnerabilities in Atomix

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CVE-2020-35215 — Medium (CVSS 6.5): An issue in Atomix v3.1.5 allows attackers to access sensitive information when a malicious Atomix node queries…
CVE-2020-35216 — 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.

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