CVSS 3.1 Score 8.6 of 10 (high)


Published Jan 2, 2024
Updated: Jan 9, 2024
CWE ID 287


CVE-2024-21632 is a vulnerability in the omniauth-microsoft_graph library prior to version 2.0.0, which provides an Omniauth strategy for the Microsoft Graph API. The implementation does not validate the legitimacy of the 'email' attribute of the user, making it susceptible to nOAuth misconfiguration when the 'email' is used as a trusted user identifier. Exploiting this vulnerability could lead to account takeover. To remediate this issue, users should upgrade to version 2.0.0 or later of the library. The vulnerability has a base severity of HIGH and a base score of 8.6 on CVSS v3.1, with a confidentiality impact of HIGH and an integrity impact of LOW.

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