cvelist/2021/23xxx/CVE-2021-23365.json

{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ASSIGNER": "report@snyk.io",
        "DATE_PUBLIC": "2021-04-26T10:00:35.669586Z",
        "ID": "CVE-2021-23365",
        "STATE": "PUBLIC",
        "TITLE": "Authentication Bypass"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "github.com/TykTechnologies/tyk-identity-broker",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "1.1.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Authentication Bypass"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKIDENTITYBROKER-1089720",
                "name": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKIDENTITYBROKER-1089720"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/TykTechnologies/tyk-identity-broker/releases/tag/v1.1.1",
                "name": "https://github.com/TykTechnologies/tyk-identity-broker/releases/tag/v1.1.1"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/TykTechnologies/tyk-identity-broker/commit/243092965b0f93a95a14cb882b5b9a3df61dd5c0",
                "name": "https://github.com/TykTechnologies/tyk-identity-broker/commit/243092965b0f93a95a14cb882b5b9a3df61dd5c0"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/TykTechnologies/tyk-identity-broker/commit/46f70420e0911e4e8b638575e29d394c227c75d0",
                "name": "https://github.com/TykTechnologies/tyk-identity-broker/commit/46f70420e0911e4e8b638575e29d394c227c75d0"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/TykTechnologies/tyk-identity-broker/pull/147",
                "name": "https://github.com/TykTechnologies/tyk-identity-broker/pull/147"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The package github.com/tyktechnologies/tyk-identity-broker before 1.1.1 are vulnerable to Authentication Bypass via the Go XML parser which can cause SAML authentication bypass. This is because the XML parser doesn\u2019t guarantee integrity in the XML round-trip (encoding/decoding XML data)."
            }
        ]
    },
    "impact": {
        "cvss": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "attackVector": "NETWORK",
            "attackComplexity": "HIGH",
            "privilegesRequired": "NONE",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "availabilityImpact": "NONE"
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Sredny M."
        }
    ]
}