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    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-21632",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2023-12-29T03:00:44.954Z",
        "datePublished": "2024-01-02T21:54:54.527Z",
        "dateUpdated": "2025-06-17T20:29:07.166Z"
    },
    "containers": {
        "cna": {
            "title": "omniauth-microsoft_graph vulnerable to account takeover (nOAuth)",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-287",
                            "lang": "en",
                            "description": "CWE-287: Improper Authentication",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "LOW",
                        "baseScore": 8.6,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/synth/omniauth-microsoft_graph/security/advisories/GHSA-5g66-628f-7cvj",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/synth/omniauth-microsoft_graph/security/advisories/GHSA-5g66-628f-7cvj"
                },
                {
                    "name": "https://github.com/synth/omniauth-microsoft_graph/commit/f132078389612b797c872b45bd0e0b47382414c1",
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                    "name": "https://www.descope.com/blog/post/noauth",
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                    "url": "https://www.descope.com/blog/post/noauth"
                }
            ],
            "affected": [
                {
                    "vendor": "synth",
                    "product": "omniauth-microsoft_graph",
                    "versions": [
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                            "version": "< 2.0.0",
                            "status": "affected"
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            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "omniauth-microsoft_graph provides an Omniauth strategy for the Microsoft Graph API. Prior to versions 2.0.0, the implementation did not validate the legitimacy of the `email` attribute of the user nor did it give/document an option to do so, making it susceptible to nOAuth misconfiguration in cases when the `email` is used as a trusted user identifier. This could lead to account takeover. Version 2.0.0 contains a fix for this issue.\n"
                }
            ],
            "source": {
                "advisory": "GHSA-5g66-628f-7cvj",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-01T22:27:35.736Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "name": "https://github.com/synth/omniauth-microsoft_graph/security/advisories/GHSA-5g66-628f-7cvj",
                        "tags": [
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                            "x_transferred"
                        ],
                        "url": "https://github.com/synth/omniauth-microsoft_graph/security/advisories/GHSA-5g66-628f-7cvj"
                    },
                    {
                        "name": "https://github.com/synth/omniauth-microsoft_graph/commit/f132078389612b797c872b45bd0e0b47382414c1",
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                        "url": "https://github.com/synth/omniauth-microsoft_graph/commit/f132078389612b797c872b45bd0e0b47382414c1"
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                        "name": "https://www.descope.com/blog/post/noauth",
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
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                        "url": "https://www.descope.com/blog/post/noauth"
                    }
                ]
            },
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-21632",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-01-03T19:37:02.254845Z"
                            }
                        }
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-06-17T20:29:07.166Z"
                }
            }
        ]
    }
}