Description
On affected platforms running Arista EOS with a S-BFD reflector proxy configured, an unauthenticated attacker could send a crafted S-BFD Protocol Data Unit (PDU) that might cause the device to temporarily cease reflecting S-BFD packets, potentially resulting in S-BFD session timeouts.
Published: 2026-11-10
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Thu, 12 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Arista
Arista eos
Vendors & Products Arista
Arista eos

Tue, 10 Nov 2026 20:15:00 +0000

Type Values Removed Values Added
Description On affected platforms running Arista EOS with a S-BFD reflector proxy configured, an unauthenticated attacker could send a crafted S-BFD Protocol Data Unit (PDU) that might cause the device to temporarily cease reflecting S-BFD packets, potentially resulting in S-BFD session timeouts.
Title Security Advisory 0223
Weaknesses CWE-1284
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Subscriptions

Arista Eos
cve-icon MITRE

Status: PUBLISHED

Assigner: Arista

Published:

Updated: 2026-11-10T20:09:59.104Z

Reserved: 2026-11-03T11:21:01.892Z

Link: CVE-2026-121294

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-10T20:18:55.547

Modified: 2026-11-12T19:24:37.847

Link: CVE-2026-121294

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-12T15:15:04Z

Weaknesses
  • CWE-1284

    Improper Validation of Specified Quantity in Input