CVE-2024-27890
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Unauthorized gNMI Set Request in Arista EOS with OpenConfig

Publication date: 2026-06-04

Last updated on: 2026-06-04

Assigner: Arista Networks, Inc.

Description
Affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected. This can result in unexpected configuration being applied to the switch.
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Meta Information
Published
2026-06-04
Last Modified
2026-06-04
Generated
2026-06-25
AI Q&A
2026-06-05
EPSS Evaluated
2026-06-24
NVD
CVE-2024-27890
EUVD
EUVD-2024-55612
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
arista arista_eos *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
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Executive Summary

This vulnerability affects platforms running Arista EOS with OpenConfig configured. It allows a gNMI Set request to be executed when it should have been rejected, which means that unexpected configuration changes can be applied to the switch.

Impact Analysis

The vulnerability can lead to unauthorized or unexpected configuration changes on the affected network switch. This can impact the integrity and availability of the network device, potentially causing disruptions or allowing malicious configuration that harms network operations.

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