Description
In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded across VLAN boundaries. This can result in traffic being discarded on the receiving VLAN. This affects versions: 4.21.12M and below releases in the 4.21.x train; 4.22.7M and below releases in the 4.22.x train; 4.23.5M and below releases in the 4.23.x train; 4.24.2F and below releases in the 4.24.x train.
Published: 2020-12-28
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-19114 In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded across VLAN boundaries. This can result in traffic being discarded on the receiving VLAN. This affects versions: 4.21.12M and below releases in the 4.21.x train; 4.22.7M and below releases in the 4.22.x train; 4.23.5M and below releases in the 4.23.x train; 4.24.2F and below releases in the 4.24.x train.
History

No history.

Subscriptions

Arista 7010t-48 7050cx3-32s 7050cx3m-32s 7050qx-32s 7050qx2-32s 7050sx-128 7050sx-64 7050sx-72q 7050sx2-128 7050sx2-72q 7050sx3-48c8 7050sx3-48yc 7050sx3-48yc12 7050sx3-48yc8 7050sx3-96yc8 7050tx-48 7050tx-64 7050tx-72q 7050tx2-128 7050tx3-48c8 7060cx-32s 7060cx2-32s 7060dx4-32 7060px4-32 7060sx2-48yc6 720xp-24y6 720xp-24zy4 720xp-48y6 720xp-48zc2 720xp-96zc2 7250qx-64 7260cx 7260cx3 7260cx3-64 7260qx 7300x-32q 7300x-64s 7300x-64t 7300x3-32c 7300x3-48yc4 7304x3 7308x3 7320x-32c 7324x 7328x 7368x4 Eos
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T15:56:04.942Z

Reserved: 2020-10-06T00:00:00.000Z

Link: CVE-2020-26569

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-12-28T16:15:12.870

Modified: 2024-11-21T05:20:06.097

Link: CVE-2020-26569

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses