{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2019-9901",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Envoy 1.9.0 and before does not normalize HTTP URL paths. A remote attacker may craft a relative path, e.g., something/../admin, to bypass access control, e.g., a block on /admin. A backend server could then interpret the non-normalized path and provide an attacker access beyond the scope provided for by the access control policy."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "CONFIRM",
                "name": "https://www.envoyproxy.io/docs/envoy/v1.9.1/intro/version_history",
                "url": "https://www.envoyproxy.io/docs/envoy/v1.9.1/intro/version_history"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://github.com/envoyproxy/envoy/issues/6435",
                "url": "https://github.com/envoyproxy/envoy/issues/6435"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://groups.google.com/forum/#!topic/envoy-announce/VoHfnDqZiAM",
                "url": "https://groups.google.com/forum/#!topic/envoy-announce/VoHfnDqZiAM"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-xcx5-93pw-jw2w",
                "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-xcx5-93pw-jw2w"
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AC:H/AV:N/A:L/C:L/I:L/PR:N/S:C/UI:N",
            "version": "3.0"
        }
    }
}