CVE-2020-24360 : What You Need to Know
Discover the impact of CVE-2020-24360, a vulnerability in Arista's EOS leading to kernel crashes and device reloads. Learn about affected systems, exploitation, and mitigation steps.
A vulnerability in Arista's EOS could lead to kernel crashes and device reloads.
Understanding CVE-2020-24360
What is CVE-2020-24360?
An issue with ARP packets in Arista's EOS affecting specific product series may result in kernel crashes and device reloads.
The Impact of CVE-2020-24360
The vulnerability could lead to service disruption, denial of service, and potential unauthorized access to the affected devices.
Technical Details of CVE-2020-24360
Vulnerability Description
The vulnerability in Arista's EOS could be exploited through ARP packets, causing kernel crashes and device reloads.
Affected Systems and Versions
- Affected products: 7800R3, 7500R3, and 7280R3 series
- Affected versions: 4.24.2.4F and below in the 4.24.x train; 4.23.4M and below in the 4.23.x train; 4.22.6M and below in the 4.22.x train
Exploitation Mechanism
The vulnerability is exploited through ARP packets, triggering kernel crashes and device reloads.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-supplied patches immediately
- Monitor network traffic for any suspicious ARP activities
- Implement network segmentation to limit the impact of potential attacks
Long-Term Security Practices
- Regularly update and patch all network devices
- Conduct security assessments and audits periodically
Patching and Updates
- Arista has released patches to address the vulnerability
- Ensure all affected devices are updated with the latest patches