{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-33683",
        "ASSIGNER": "cna@sap.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "SAP SE",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "SAP Web Dispatcher and Internet Communication Manager",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_name": "<",
                                            "version_value": "KRNL32NUC 7.21"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.21EXT"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.22"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.22EXT"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "KRNL32UC 7.21"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.21EXT"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.22"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.22EXT"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "KRNL64NUC 7.21"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.21EXT"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.22"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.22EXT"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.49"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "KRNL64UC 7.21"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.21EXT"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.22"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.22EXT"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.49"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.53"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.73"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "WEBDISP 7.53"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.73"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.77"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.81"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.82"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.83"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "KERNEL 7.21"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.22"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.49"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.53"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.73"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.77"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.81"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.82"
                                        },
                                        {
                                            "version_name": "<",
                                            "version_value": "7.83"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "SAP Web Dispatcher and Internet Communication Manager (ICM), versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.73, WEBDISP 7.53, 7.73, 7.77, 7.81, 7.82, 7.83, KERNEL 7.21, 7.22, 7.49, 7.53, 7.73, 7.77, 7.81, 7.82, 7.83, process invalid HTTP header. The incorrect handling of the invalid Transfer-Encoding header in a particular manner leads to a possibility of HTTP Request Smuggling attack. An attacker could exploit this vulnerability to bypass web application firewall protection, divert sensitive data such as customer requests, session credentials, etc."
            }
        ]
    },
    "impact": {
        "cvss": {
            "baseScore": "5.4",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.0"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-444 (HTTP Request Smuggling)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506",
                "refsource": "MISC",
                "name": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506"
            },
            {
                "url": "https://launchpad.support.sap.com/#/notes/3000663",
                "refsource": "MISC",
                "name": "https://launchpad.support.sap.com/#/notes/3000663"
            }
        ]
    }
}