CVE record · CVE-2021-28496

In Arista's EOS software affected releases, the shared secret profiles sensitive configuration might be leaked when displaying output over eAPI or other JSON outputs to authenticated users on the dev…

CVSS 5.7 MediumEPSS 0.0043 · 37th percentile

Published by the CVE Program (CNA: Arista) at 21 Oct 2021, 16:41 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	Arista EOS	affected EOS-4.22 to EOS-4.22.12, inclusive custom affected EOS-4.23 to before EOS-4.23.10 custom affected EOS-4.24 to before EOS-4.24.8 custom affected EOS-4.25 to before EOS-4.25.5 custom affected EOS-4.26 to before EOS-4.26.2 custom

Identifiers: CVE-2021-28496
CNA: Arista
Weakness (CWE): CWE-311
Tags: Arista Networks Arista EOS
Weak cryptography or TLS
Published: 21 Oct 2021
Updated: 16 Sept 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
5.7	Medium	3.1	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CNA (Arista)

CISA KEV Not listed.
EPSS 0.0043, the 37th percentile, on 6 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 21 Oct 2021. New records show when each source confirmed them.

Sources

References from the CNA

www.arista.com/en/support/advisories-notices/security-advisories/13243-security-advisory-0069

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.