{"containers":{"cna":{"affected":[{"platforms":["Arista 7130 Systems running MOS"],"product":"Metamako Operating System","vendor":"Arista","versions":[{"lessThan":"MOS-0.13*","status":"affected","version":"MOS-0.13","versionType":"custom"},{"lessThan":"MOS-0.26.7","status":"affected","version":"MOS-0.26.7","versionType":"custom"},{"lessThan":"MOS-0.32.0","status":"affected","version":"MOS-0.32.0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, user authentication can be bypassed when API access is enabled via the JSON-RPC APIs. This issue affects: Arista Metamako Operating System All releases in the MOS-0.1x train MOS-0.13 and post releases in the MOS-0.1x train MOS-0.26.6 and below releases in the MOS-0.2x train MOS-0.31.1 and below releases in the MOS-0.3x train"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-09-09T12:43:57.000Z","orgId":"c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7","shortName":"Arista"},"references":[{"tags":["x_refsource_MISC"],"url":"https://www.arista.com/en/support/advisories-notices/security-advisories/12914-security-advisory-66"}],"solutions":[{"lang":"en","value":"Upgrade to MOS-0.26.7 or MOS-0.32.0"},{"lang":"en","value":"Install hotfix stored at https://www.arista.com/assets/data/SecurityAdvisories/SA64-67/SecurityAdvisory64-67-Hotfix-mos-1818-2.0.0-1.11.core2_64.rpm\nFor detailed information about hotfix installation, please see the advisory https://www.arista.com/en/support/advisories-notices/security-advisories/12912-security-advisory-64"}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@arista.com","ID":"CVE-2021-28495","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Metamako Operating System","version":{"version_data":[{"platform":"Arista 7130 Systems running MOS","version_affected":">=","version_name":"MOS-0.13","version_value":"MOS-0.13"},{"platform":"Arista 7130 Systems running MOS","version_affected":"<","version_name":"MOS-0.26.7","version_value":"MOS-0.26.7"},{"platform":"Arista 7130 Systems running MOS","version_affected":"<","version_name":"MOS-0.32.0","version_value":"MOS-0.32.0"}]}}]},"vendor_name":"Arista"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, user authentication can be bypassed when API access is enabled via the JSON-RPC APIs. 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