CVE-2021-28504

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 02-04-2022 01:15

Last modified: - 12-04-2022 03:25

Total changes: - 2

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.

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Network

Attack vector

None

Availability

None

Confidentiality

High

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

7.5

Base score

3.9

3.6

Exploitability score

Impact score

Verification logic

AND

vendor=arista AND product=eos AND versionStartIncluding=4.26 AND versionEndExcluding=4.26.4m

vendor=arista AND product=eos AND versionStartIncluding=4.27 AND versionEndExcluding=4.27.1f

vendor=arista AND product=ccs-710p-12 AND version=-

vendor=arista AND product=ccs-710p-16p AND version=-

vendor=arista AND product=ccs-720xp-24y6 AND version=-

vendor=arista AND product=ccs-720xp-24zy4 AND version=-

vendor=arista AND product=ccs-720xp-48y6 AND version=-

vendor=arista AND product=ccs-720xp-48zc2 AND version=-

vendor=arista AND product=ccs-720xp-96zc2 AND version=-

vendor=arista AND product=ccs-722xpm-48y4 AND version=-

vendor=arista AND product=ccs-722xpm-48zy8 AND version=-

vendor=arista AND product=dcs-7010tx-48 AND version=-

vendor=arista AND product=dcs-7050cx3-32s AND version=-

vendor=arista AND product=dcs-7050cx3m-32s AND version=-

vendor=arista AND product=dcs-7050sx3-48c8 AND version=-

vendor=arista AND product=dcs-7050sx3-48yc12 AND version=-

vendor=arista AND product=dcs-7050sx3-48yc8 AND version=-

vendor=arista AND product=dcs-7050sx3-96yc8 AND version=-

vendor=arista AND product=dcs-7050tx3-48c8 AND version=-

Reference

https://www.arista.com/en/support/advisories-notices/security-advisories/15267-security-advisory-0073

Keywords

CVE-2021-28504

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-28504

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures