#VU109292 Input validation error in Arista Extensible Operating System (EOS) - CVE-2020-26568

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Main Vulnerability Database Vulnerabilities #VU109292

#VU109292 Input validation error in Arista Extensible Operating System (EOS) - CVE-2020-26568

Published: May 17, 2025


Vulnerability identifier: #VU109292
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:L/E:U/U:Green
CVE-ID: CVE-2020-26568
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Arista Extensible Operating System (EOS)
Software vendor:
Arista Networks

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of UDP packets. A remote attacker can force malformed UDP packets to be forwarded across VRF boundaries when non-default VRFs are configured.


Remediation

Install updates from vendor's website.

External links