CVE-2024-27890

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).

View on CVE.org

Published Jun 4, 2026 CVSS 4.0 · 7.2 High EPSS 4.4% 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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Arista Networks

EOS

unaffected

Version	Status	Constraints
`4.29.0`	affected	≤ 4.29.7M
`4.28.0`	affected	≤ 4.28.10M
`4.27.0`	affected	≤ 4.27.8M
`4.26.0`	affected	≤ 4.26.9M
`4.25.0`	affected	≤ 4.25.10M
`4.24.0`	affected	≤ 4.24.11M

No data.

Vendor Product Versions

Arista

Eos

Version	Status	Scheme	Platform
`[4.29.0,4.29.7M]`	affected	generic	['710_series', '720d_series', '720xp/722xpm_series', '750x_series', '7010_series', '7010x_series', '7020r_series', '7130_series_running_eos', '7150_series', '7160_series', '7170_series', '7050x/x2/x3/x4_series', '7060x/x2/x4/x5/x6_series', '7250x_series', '7260x/x3_series', '7280e/r/r2/r3_series', '7300x/x3_series', '7320x_series', '7358x4_series', '7368x4_series', '7388x5_series', '7500e/r/r2/r3_series', '7800r3_series', 'cloudeos', 'ceos-lab', 'veos-lab', 'awe_5000_series']
`[4.28.0,4.28.10M]`	affected	generic	['710_series', '720d_series', '720xp/722xpm_series', '750x_series', '7010_series', '7010x_series', '7020r_series', '7130_series_running_eos', '7150_series', '7160_series', '7170_series', '7050x/x2/x3/x4_series', '7060x/x2/x4/x5/x6_series', '7250x_series', '7260x/x3_series', '7280e/r/r2/r3_series', '7300x/x3_series', '7320x_series', '7358x4_series', '7368x4_series', '7388x5_series', '7500e/r/r2/r3_series', '7800r3_series', 'cloudeos', 'ceos-lab', 'veos-lab', 'awe_5000_series']
`[4.27.0,4.27.8M]`	affected	generic	['710_series', '720d_series', '720xp/722xpm_series', '750x_series', '7010_series', '7010x_series', '7020r_series', '7130_series_running_eos', '7150_series', '7160_series', '7170_series', '7050x/x2/x3/x4_series', '7060x/x2/x4/x5/x6_series', '7250x_series', '7260x/x3_series', '7280e/r/r2/r3_series', '7300x/x3_series', '7320x_series', '7358x4_series', '7368x4_series', '7388x5_series', '7500e/r/r2/r3_series', '7800r3_series', 'cloudeos', 'ceos-lab', 'veos-lab', 'awe_5000_series']
`[4.26.0,4.26.9M]`	affected	generic	['710_series', '720d_series', '720xp/722xpm_series', '750x_series', '7010_series', '7010x_series', '7020r_series', '7130_series_running_eos', '7150_series', '7160_series', '7170_series', '7050x/x2/x3/x4_series', '7060x/x2/x4/x5/x6_series', '7250x_series', '7260x/x3_series', '7280e/r/r2/r3_series', '7300x/x3_series', '7320x_series', '7358x4_series', '7368x4_series', '7388x5_series', '7500e/r/r2/r3_series', '7800r3_series', 'cloudeos', 'ceos-lab', 'veos-lab', 'awe_5000_series']
`[4.25.0,4.25.10M]`	affected	generic	['710_series', '720d_series', '720xp/722xpm_series', '750x_series', '7010_series', '7010x_series', '7020r_series', '7130_series_running_eos', '7150_series', '7160_series', '7170_series', '7050x/x2/x3/x4_series', '7060x/x2/x4/x5/x6_series', '7250x_series', '7260x/x3_series', '7280e/r/r2/r3_series', '7300x/x3_series', '7320x_series', '7358x4_series', '7368x4_series', '7388x5_series', '7500e/r/r2/r3_series', '7800r3_series', 'cloudeos', 'ceos-lab', 'veos-lab', 'awe_5000_series']
`[4.24.0,4.24.11M]`	affected	generic	['710_series', '720d_series', '720xp/722xpm_series', '750x_series', '7010_series', '7010x_series', '7020r_series', '7130_series_running_eos', '7150_series', '7160_series', '7170_series', '7050x/x2/x3/x4_series', '7060x/x2/x4/x5/x6_series', '7250x_series', '7260x/x3_series', '7280e/r/r2/r3_series', '7300x/x3_series', '7320x_series', '7358x4_series', '7368x4_series', '7388x5_series', '7500e/r/r2/r3_series', '7800r3_series', 'cloudeos', 'ceos-lab', 'veos-lab', 'awe_5000_series']

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-2024-27890 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

Vendor 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

Tracking

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 4.4% (4.430% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://www.arista.com/en/support/advisories-notices/security-advisory/19862-security-advisory-0099

History

Jun 5, 2026 7:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Jun 5, 2026 10:45 AM First appearance in the feed. Affected vendors updated View changes

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

Jun 4, 2026 10:45 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

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		https://www.arista.com/en/support/advisories-notices/security-advisory/19862-security-advisory-0099
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'}`