{ "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" } ] } }