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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Fixes

Solution

The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release that contains all the fixes listed below. For more information about upgrading see EOS User Manual: Upgrades and Downgrades https://www.arista.com/en/um-eos/eos-upgrades-and-downgrades CVE-2024-27890 has been fixed in the following releases: * 4.30.0M and onwards * 4.29.8M and later releases in the 4.29.x train * 4.28.11M and later releases in the 4.28.x train


Workaround

The workaround to mitigate this vulnerability is to disable the OpenConfig agent entirely: switch(config-gnmi-transport-default)#no management api gnmi Alternatively for both, the OpenConfig agent can be disabled. switch(config-gnmi-transport-default)#no management api gnmi

History

Fri, 05 Jun 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 05 Jun 2026 10:45:00 +0000

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

Thu, 04 Jun 2026 22:45:00 +0000

Type Values Removed Values Added
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.
Title On affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected (No SSL Profiles Enabled).
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H'}

cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: Arista

Published:

Updated: 2026-06-05T18:29:28.151Z

Reserved: 2024-02-26T18:06:32.160Z

Link: CVE-2024-27890

cve-icon Vulnrichment

Updated: 2026-06-05T18:29:24.588Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-04T23:16:47.487

Modified: 2026-06-05T15:02:34.977

Link: CVE-2024-27890

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-05T10:07:17Z

Weaknesses