CVE-2020-24360 Denial of service in n/a

High 7.4 Published 28 Dec 2020 Updated 4 Aug 2024

A flaw in Arista EOS allows remote attackers to cause a kernel crash and device reload via crafted ARP packets, resulting in denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-24360?

CVE-2020-24360 is a high-severity denial of service vulnerability in n/a, published on 28 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue with ARP packets in Arista’s EOS affecting the 7800R3, 7500R3, and 7280R3 series of products may result in issues that cause a kernel crash, followed by a device reload. The affected Arista EOS versions are: 4.24.2.4F and below releases in the 4.24.x train; 4.23.4M and below releases in the 4.23.x train; 4.22.6M and below releases in the 4.22.x train.

Weakness: CWE-404

Which versions are affected by CVE-2020-24360?

It affects 1 product.

Products include Arista Eos.

How do I fix CVE-2020-24360?

No fix has been published for CVE-2020-24360 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-2020-24360 being exploited?

There is no known exploitation of CVE-2020-24360 in the wild and no public exploit code.

Sources

Also known as GHSA-c9g5-h8rc-q6m5.