CVE-2024-21381

CVSS 3.1 Score 6.8 of 10 (medium)

Details

Published Feb 13, 2024
Updated: May 29, 2024
CWE ID 352

Summary

CVE-2024-21381 is a newly disclosed vulnerability in Microsoft Azure Active Directory B2C. Attackers can exploit this spoofing issue to trick users into providing sensitive information, such as passwords or multi-factor authentication codes, by manipulating the sign-in page's appearance. The vulnerability arises due to an inadequate input validation mechanism in the affected component, allowing miscreants to craft deceptive sign-in pages. Microsoft has acknowledged the issue and is currently working on a patch to address the vulnerability. Until a fix is available, organizations using Azure AD B2C are recommended to apply additional security measures to safeguard against potential attacks.

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