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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
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. |
References
History
No history.
Subscriptions
Arista
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7010t-48
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7050cx3-32s
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Eos
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T15:56:04.942Z
Reserved: 2020-10-06T00:00:00.000Z
Link: CVE-2020-26569
No data.
Status : Modified
Published: 2020-12-28T16:15:12.870
Modified: 2024-11-21T05:20:06.097
Link: CVE-2020-26569
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD