cvelist/2022/21xxx/CVE-2022-21721.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2022-21721",
        "STATE": "PUBLIC",
        "TITLE": "DOS Vulnerability in next.js"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Next.js is a React framework. Starting with version 12.0.0 and prior to version 12.0.9, vulnerable code could allow a bad actor to trigger a denial of service attack for anyone using i18n functionality. In order to be affected by this CVE, one must use next start or a custom server and the built-in i18n support. Deployments on Vercel, along with similar environments where invalid requests are filtered before reaching Next.js, are not affected. A patch has been released, `next@12.0.9`, that mitigates this issue. As a workaround, one may ensure `/${locale}/_next/` is blocked from reaching the Next.js instance until it becomes feasible to upgrade."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/vercel/next.js/security/advisories/GHSA-wr66-vrwm-5g5x",
                "refsource": "CONFIRM",
                "url": "https://github.com/vercel/next.js/security/advisories/GHSA-wr66-vrwm-5g5x"
            },
            {
                "name": "https://github.com/vercel/next.js/pull/33503",
                "refsource": "MISC",
                "url": "https://github.com/vercel/next.js/pull/33503"
            },
            {
                "name": "https://github.com/vercel/next.js/releases/tag/v12.0.9",
                "refsource": "MISC",
                "url": "https://github.com/vercel/next.js/releases/tag/v12.0.9"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-wr66-vrwm-5g5x",
        "discovery": "UNKNOWN"
    }
}