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"}}]}}