On affected platforms running Arista EOS with gRPC Network Security Interface (gNSI) Credentialz configured, a specially crafted request can cause unintended modifications to the target account's properties. This may result in the account being assigned elevated privileges or access beyond what an administrator intended.
" } ] } ], "affected": [ { "vendor": "Arista Networks", "product": "EOS", "platforms": [ "710 Series", "720D Series", "720XP/722XPM Series", "750X Series", "7010TX Series", "7020R/R4 Series", "7130 Series (EOS)", "7170 Series", "7050X3/X4 Series", "7060X/X2/X4/X5/X6 Series", "7260X/X3 Series", "7280R/R2/R3/R4 Series", "7300X/X3 Series", "7320X Series", "7358X4 Series", "7368X4 Series", "7388X5 Series", "7500R/R2/R3 Series", "7800R3/R4 Series", "7700R4 Series", "AWE 5000 Series", "AWE 7200R Series", "CloudEOS", "cEOS-lab", "vEOS-lab", "CloudVision eXchange" ], "versions": [ { "version": "4.30.0F", "status": "affected", "versionType": "custom", "lessThan": "4.31.0F" }, { "version": "4.31.0F", "status": "affected", "versionType": "custom", "lessThan": "4.32.0F" }, { "version": "4.32.0F", "status": "affected", "versionType": "custom", "lessThan": "4.33.0F" }, { "version": "4.33.0F", "status": "affected", "versionType": "custom", "lessThanOrEqual": "4.33.8M" }, { "version": "4.34.0F", "status": "affected", "versionType": "custom", "lessThanOrEqual": "4.34.7M" }, { "version": "4.35.0F", "status": "affected", "versionType": "custom", "lessThanOrEqual": "4.35.5M" }, { "version": "4.36.0F", "status": "affected", "versionType": "custom", "lessThanOrEqual": "4.36.0.1F" } ], "defaultStatus": "unaffected" } ], "problemTypes": [ { "descriptions": [ { "type": "CWE", "lang": "en", "cweId": "CWE-77", "description": "CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')" } ] } ], "impacts": [ { "capecId": "CAPEC-88", "descriptions": [ { "lang": "en", "value": "CAPEC-88 OS Command Injection" } ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE" } }, { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "baseScore": 8.6, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE" } } ], "configurations": [ { "lang": "en", "value": "In order to be vulnerable to CVE-2026-73454, the following condition must be met:\n\ngNSI Credentialz must be enabled (Note: gNSI Credentialz is disabled by default):\n\n switch(config)#show management api gnsi\n Transport: default\n Transport enabled: yes\n Server: running on port 6030, in default VRF\n\n Acctz enabled: no\n Attestz enabled: no\n Authz enabled: no\n Certz enabled: no\n Credentialz enabled: yes\n Enrollz enabled: no\n Pathz enabled: no\n\nIf Credentialz is not enabled there is no exposure to this issue.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "In order to be vulnerable to CVE-2026-73454, the following condition must be met:
gNSI Credentialz must be enabled (Note: gNSI Credentialz is disabled by default):
\nswitch(config)#show management api gnsi\nTransport: default\nTransport enabled: yes\nServer: running on port 6030, in default VRF\n\nAcctz enabled: no\nAttestz enabled: no\nAuthz enabled: no\nCertz enabled: no\nCredentialz enabled: yes\nEnrollz enabled: no\nPathz enabled: no\n
If Credentialz is not enabled there is no exposure to this issue.
" } ] } ], "workarounds": [ { "lang": "en", "value": "Disable gNSI Credentialz service. Note: Disabling Credentialz prevents gNSI-based credential rotation (SSH keys, passwords, host parameters) but does not affect traditional EOS CLI credential management. Credentialz is not enabled by default.\n\n switch(config)#management api gnsi\n switch(config-mgmt-api-gnsi)#no service credentialz", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Disable gNSI Credentialz service. Note: Disabling Credentialz prevents gNSI-based credential rotation (SSH keys, passwords, host parameters) but does not affect traditional EOS CLI credential management. Credentialz is not enabled by default.
\nswitch(config)#management api gnsi\nswitch(config-mgmt-api-gnsi)#no service credentialz\n" } ] } ], "solutions": [ { "lang": "en", "value": "The following EOS releases contain the fix for this vulnerability:\n - 4.33.9M and later releases in the 4.33.x train\n - 4.34.7.1M and later releases in the 4.34.x train\n - 4.35.6M and later releases in the 4.35.x train\n - 4.36.1F and later releases in the 4.36.x train\n\nNo hotfix is available for this vulnerability.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "
The following EOS releases contain the fix for this vulnerability:
No hotfix is available for this vulnerability.
" } ] } ], "source": { "defects": [ "BUG 1602633" ], "advisory": "Security Advisory 0165", "discovery": "INTERNAL" }, "references": [ { "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24721-security-advisory-0165", "name": "Arista Networks Security Advisory 0165", "tags": [ "vendor-advisory" ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-16T00:00:00+00:00", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-73454" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-17T03:56:53.682Z" } } ] } }