CVE-2023-3646: Arista Eos

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

On affected platforms running Arista EOS with mirroring to multiple destinations configured, an internal system error may trigger a kernel panic and cause system reload.

Affected products

• Arista Eos: from 4.28.2f, up to and including 4.28.5.1m; from 4.29.0, before 4.29.2f (fixed in 4.29.2f)

Published 2023-08-29. Last modified 2026-06-17.