CVE-2024-27892

On affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected (SSL Profiles Enabled).

Published Jun 4, 2026 CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor 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-2024-27892 has been fixed in the following releases: * 4.31.3M and later releases in the 4.31.x train * 4.30.6M and later release in the 4.30.x train * 4.29.8M and later releases in the 4.29.x train * 4.28.11M and later releases in the 4.28.x train


Vendor Workaround

The workaround is to disable gNMI Set requests. This can be done by applying per RPC authorization and ensuring no user is authorized to run the OpenConfig.Set command. switch(config-gnmi-transport-default)#show management api gnmi transport grpc default authorization requests Alternatively, TLS can be disabled: switch(config-gnmi-transport-default)#no ssl profile Alternatively, the OpenConfig agent can be disabled entirely: switch(config-gnmi-transport-default)#no management api gnmi

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
Arista
Published
Updated
Jun 5, 2026, 6:30 PM
Reserved
Feb 26, 2024, 6:06 PM
Status
Awaiting Analysis
Published
Jun 4, 2026, 11:16 PM
Modified
Jul 22, 2026, 8:10 PM