cvelist/2021/21xxx/CVE-2021-21428.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-21428",
        "STATE": "PUBLIC",
        "TITLE": "Creation of Temporary File in Directory with Insecure Permissions in the OpenAPI-Generator online generator"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "openapi-generator",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 5.1.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "OpenAPITools"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Openapi generator is a java tool which allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec. openapi-generator-online creates insecure temporary folders with File.createTempFile during the code generation process. The insecure temporary folders store the auto-generated files which can be read and appended to by any users on the system. The issue has been patched with `Files.createTempFile` and released in the v5.1.0 stable version."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-269: Improper Privilege Management"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-23x4-m842-fmwf",
                "refsource": "CONFIRM",
                "url": "https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-23x4-m842-fmwf"
            },
            {
                "name": "https://github.com/OpenAPITools/openapi-generator/pull/8788",
                "refsource": "MISC",
                "url": "https://github.com/OpenAPITools/openapi-generator/pull/8788"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-23x4-m842-fmwf",
        "discovery": "UNKNOWN"
    }
}