cvelist/2020/26xxx/CVE-2020-26834.json

{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2020-26834",
        "ASSIGNER": "cna@sap.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "SAP SE",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "SAP HANA Database",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_name": "<",
                                            "version_value": "2.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "SAP HANA Database, version - 2.0, does not correctly validate the username when performing SAML bearer token-based user authentication. It is possible to manipulate a valid existing SAML bearer token to authenticate as a user whose name is identical to the truncated username for whom the SAML bearer token was issued."
            }
        ]
    },
    "impact": {
        "cvss": {
            "baseScore": "4.2",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.0"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Improper Authentication"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079",
                "refsource": "MISC",
                "name": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079"
            },
            {
                "url": "https://launchpad.support.sap.com/#/notes/2978768",
                "refsource": "MISC",
                "name": "https://launchpad.support.sap.com/#/notes/2978768"
            }
        ]
    }
}