{
    "impact": {
        "cvss": {
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H",
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "privilegesRequired": "LOW",
            "baseSeverity": "CRITICAL",
            "userInteraction": "NONE",
            "baseScore": 9.6,
            "availabilityImpact": "HIGH",
            "version": "3.1",
            "scope": "CHANGED",
            "integrityImpact": "HIGH",
            "confidentialityImpact": "NONE"
        }
    },
    "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, authentication is bypassed by unprivileged users who are accessing the Web UI. This issue affects: Arista Metamako Operating System MOS-0.34.0 and prior releases"
            }
        ]
    },
    "data_type": "CVE",
    "source": {
        "discovery": "INTERNAL"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Metamako Operating System",
                                "version": {
                                    "version_data": [
                                        {
                                            "platform": "Arista 7130 Systems running MOS",
                                            "version_name": "MOS-0.35.0",
                                            "version_affected": "<",
                                            "version_value": "MOS-0.35.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Arista"
                }
            ]
        }
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "data_format": "MITRE",
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-287 Improper Authentication"
                    }
                ]
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Upgrade to MOS-0.35.0\n"
        }
    ],
    "data_version": "4.0",
    "references": {
        "reference_data": [
            {
                "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/12916-security-advisory-68",
                "refsource": "MISC",
                "name": "https://www.arista.com/en/support/advisories-notices/security-advisories/12916-security-advisory-68"
            }
        ]
    },
    "CVE_data_meta": {
        "STATE": "PUBLIC",
        "ID": "CVE-2021-28494",
        "ASSIGNER": "psirt@arista.com"
    }
}