{
    "CVE_data_meta": {
        "ASSIGNER": "security@apache.org",
        "ID": "CVE-2021-27738",
        "STATE": "PUBLIC",
        "TITLE": "Improper Access Control to Streaming Coordinator & SSRF"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Apache Kylin",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "Apache Kylin 3",
                                            "version_value": "3.1.2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Apache Software Foundation"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Wei Lin Ngo <ngo.weilin@starlabs.sg>"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "All request mappings in `StreamingCoordinatorController.java` handling `/kylin/api/streaming_coordinator/*` REST API endpoints did not include any security checks, which allowed an unauthenticated user to issue arbitrary requests, such as assigning/unassigning of streaming cubes, creation/modification and deletion of replica sets, to the Kylin Coordinator. For endpoints accepting node details in HTTP message body, unauthenticated (but limited) server-side request forgery (SSRF) can be achieved. This issue affects Apache Kylin Apache Kylin 3 versions prior to 3.1.2."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": [
        {
            "other": "moderate"
        }
    ],
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-918 Server-Side Request Forgery (SSRF)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://lists.apache.org/thread/vkohh0to2vzwymyb2x13fszs3cs3vd70",
                "name": "https://lists.apache.org/thread/vkohh0to2vzwymyb2x13fszs3cs3vd70"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20220106 CVE-2021-27738: Apache Kylin: Improper Access Control to Streaming Coordinator & SSRF",
                "url": "http://www.openwall.com/lists/oss-security/2022/01/06/6"
            }
        ]
    },
    "source": {
        "discovery": "UNKNOWN"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "Users of Kylin 3.x should upgrade to 3.1.3 or apply patch https://github.com/apache/kylin/pull/1646."
        }
    ]
}