cvelist/2020/4xxx/CVE-2020-4077.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2020-4077",
        "STATE": "PUBLIC",
        "TITLE": "Context isolation bypass via contextBridge in Electron"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "electron",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": ">= 9.0.0-beta.0, <= 9.0.0-beta.20"
                                        },
                                        {
                                            "version_value": ">= 8.0.0, < 8.2.4"
                                        },
                                        {
                                            "version_value": "< 7.2.4"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "electron"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In Electron before versions 7.2.4, 8.2.4, and 9.0.0-beta21, there is a context isolation bypass. Code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions. Apps using both `contextIsolation` and `contextBridge` are affected. This is fixed in versions 9.0.0-beta.21, 8.2.4 and 7.2.4."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-501 Trust Boundary Violation"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/electron/electron/security/advisories/GHSA-h9jc-284h-533g",
                "refsource": "CONFIRM",
                "url": "https://github.com/electron/electron/security/advisories/GHSA-h9jc-284h-533g"
            },
            {
                "name": "https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824",
                "refsource": "MISC",
                "url": "https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-h9jc-284h-533g",
        "discovery": "UNKNOWN"
    }
}