What’s Vulnerable › Vulnerabilities

CVE-2023-3646: 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.

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-29 · updated 2026-06-17
• Weakness: CWE-125

Description

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 Networks EOS: from 4.28.2f through 4.28.5.1m; from 4.29.0 before 4.29.2f — fixed in 4.29.2f

How to fix

Upgrade to a fixed version: Arista Networks EOS 4.29.2f. Check the vendor advisory for mitigations.

References

• https://www.arista.com/en/support/advisories-notices/security-advisory/18042-security-advisory-0088
• https://www.arista.com/en/support/advisories-notices/security-advisory/18042-security-advisory-0088

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