CVE-2020-35213 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.

High 8.1 Published 16 Dec 2021 Updated 4 Aug 2024

Attackers can cause denial of service in Atomix-based systems by sending false link event messages to master nodes.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-35213?

CVE-2020-35213 is a high-severity denial of service vulnerability in n/a, published on 16 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-74

Which versions are affected by CVE-2020-35213?

2 open source packages ship an affected version, including io.atomix:atomix. It affects 1 product.

Package	Affected	Fixed in
`io.atomix:atomix` Maven	All versions to `3.1.5`	None
`io.atomix:atomix` Maven	All versions to `3.1.5`	None

Products include Atomix Atomix.

How do I fix CVE-2020-35213?

No fix has been published for CVE-2020-35213 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-35213 being exploited?

There is no known exploitation of CVE-2020-35213 in the wild and no public exploit code.

Sources

Also known as GHSA-2fqw-684c-pvp7.