In Arista’s EOS when in 802.1X mode, multi-auth unauthenticated hosts might be allowed access to a switch port if there exists an EAPOL capable device in the fallback VLAN.
CVE-2024-6858

Currently unrated

Key Information:

Status
Vendor
CVE Published:
4 June 2026

What is CVE-2024-6858?

In Arista’s EOS when in 802.1X mode, multi-auth unauthenticated hosts might be allowed access to a switch port if there exists an EAPOL capable device in the fallback VLAN.

Affected Version(s)

EOS 720D Series 4.31.0 <= 4.31.1F

EOS 720D Series 4.30.0 <= 4.30.5M

EOS 720D Series 4.29.0 <= 4.29.7M

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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