Input validation error in Arista Extensible Operating System (EOS) - CVE-2020-15898
Published: May 17, 2025
Vulnerability identifier: #VU109290
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:L/E:U/U:Green
CVE-ID: CVE-2020-15898
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Arista Networks
Affected software:
Arista Extensible Operating System (EOS)
Arista Extensible Operating System (EOS)
Detailed vulnerability 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 the device to forward specially crafted UDP packets across VLAN boundaries, which can lead to a denial of service attack.
How to mitigate CVE-2020-15898
Install updates from vendor's website.