CVE-2021-28505

On affected Arista EOS platforms, if a VXLAN match rule exists in an IPv4 access-list that is applied to the ingress of an L2 or an L3 port/SVI, the VXLAN rule and subsequent ACL rules in that access list will ignore the specified IP protocol.

State
Published
Severity
7.5 High
Published
Apr 14, 2022
Updated
Sep 16, 2024
Reserved
Mar 16, 2021

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Description

On affected Arista EOS platforms, if a VXLAN match rule exists in an IPv4 access-list that is applied to the ingress of an L2 or an L3 port/SVI, the VXLAN rule and subsequent ACL rules in that access list will ignore the specified IP protocol.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NArista

Weaknesses

Affected Products

ProductVersions
EOSArista Networks
  • 4.26.3M through 4.26.0Affected
  • 4.27.0F through 4.27.0Affected

References

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