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CVE-2021-28504

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CVE-2021-28504

Published: Apr 1, 2022

Modified: Aug 3, 2024

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

On Arista Strata family products which have “TCAM profile” feature enabled when Port IPv4 access-list has a rule which matches on “vxlan” as protocol then that rule and subsequent rules ( rules declared after it in ACL ) do not match on IP protocol field as expected.

VendorProductVersions

Arista Networks

EOS

affected
4.26.3F - <= 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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