CVE-2021-28504

CWE-284 — Improper Access ControlCWE-863 — Incorrect Authorization3 documents3 sources
Severity
7.5HIGH
EPSS
0.3%
top 49.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Arista EOSArista Networks EOS
Timeline
PublishedApr 1
Latest updateApr 3

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDarista/eos4.26 — 4.26.4m+1
▶CVEListV5arista_networks/eos4.26.3F — 4.26.0+1

🔴Vulnerability Details

2
GHSA
GHSA-2pcc-vj7h-7frv: 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↗2022-04-03
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CVEList
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 declar↗2022-04-01
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