CVE-2020-24360

Name: CVE-2020-24360
Creator: NVD / NIST
Published: 2020-12-28T19:15:12.847+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2020-24360 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.4/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

EPSS Probability

0.65%

46.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-404

Affected Software

Vendor	Product	Versions
Arista	Eos	>= 4.22.0f, <= 4.22.6m
Arista	Eos	>= 4.23.0f, <= 4.23.4m
Arista	Eos	>= 4.24.0f, <= 4.24.2.4f

References

https://www.arista.com/en/support/advisories-notices/security-advisories/11999-security-advisory-59Exploit, Vendor Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/11999-security-advisory-59Exploit, Vendor Advisory

Timeline

Published: Dec 28, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24360?

How severe is CVE-2020-24360?

CVE-2020-24360 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24360?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-24360?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST