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CVE-2021-28505

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CVE-2021-28505

Published: Apr 14, 2022

Modified: Sep 16, 2024

PUBLISHED

CVSS v3.1

7.5

HIGH

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.

VendorProductVersions

Arista Networks

EOS

affected
4.26.3M - <= 4.26.0
affected
4.27.0F - <= 4.27.0

Weaknesses (CWE)

CWE-284

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

References

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