CVE record · CVE-2021-28504

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 decla…

CVSS 7.5 HighEPSS 0.0073 · 54th percentile

Published by the CVE Program (CNA: Arista) at 1 Apr 2022, 22:17 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Arista Networks	EOS	affected 4.26.3F to 4.26.0, inclusive custom affected 4.27.0F to 4.27.0, inclusive custom

Identifiers: CVE-2021-28504
CNA: Arista
Weakness (CWE): CWE-284
Tags: Arista Networks EOS
Broken access control
Published: 1 Apr 2022
Updated: 3 Aug 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	CNA (Arista)

CISA KEV Not listed.
EPSS 0.0073, the 54th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 1 Apr 2022. New records show when each source confirmed them.

Sources

References from the CNA

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

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.