Description
On affected platforms running Arista EOS with 802.1X with Dynamic Host Configuration Protocol (DHCP) device profiling enabled, a network-adjacent attacker can send a crafted DHCP packet to force the device to record a spoofed device profile. This may potentially allow the authenticated supplicant to acquire unauthorized access to a network segment with elevated privileges.
Published: 2026-11-10
Score: 7.1 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

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

Type Values Removed Values Added
Description On affected platforms running Arista EOS with 802.1X with Dynamic Host Configuration Protocol (DHCP) device profiling enabled, a network-adjacent attacker can send a crafted DHCP packet to force the device to record a spoofed device profile. This may potentially allow the authenticated supplicant to acquire unauthorized access to a network segment with elevated privileges.
Title Security Advisory 0217
Weaknesses CWE-807
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:L/SI:H/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: Arista

Published:

Updated: 2026-11-10T20:09:52.143Z

Reserved: 2026-11-03T05:14:06.127Z

Link: CVE-2026-120977

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-10T20:18:52.800

Modified: 2026-11-10T20:18:52.800

Link: CVE-2026-120977

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-807

    Reliance on Untrusted Inputs in a Security Decision