Description
On affected platforms running Arista EOS, ingress traffic on Layer 2 ports may, under certain conditions, be improperly forwarded to ports associated with different VLANs, resulting in a breach of VLAN isolation and segmentation boundaries.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Arista Networks | EOS | 4.29.0 – ≤ 4.29.10M, 4.30.0 – ≤ 4.30.9M, 4.31.0 – ≤ 4.31.6M, 4.32.0 – ≤ 4.32.3M, 4.33.0 – ≤ 4.33.1F | — |
Advisories 1
- WID-SEC-2025-1112 Arista EOS: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · May 20, 2025