CVE-2020-0837: ADFS MFA Elevation of Privilege Vulnerability

First published: Fri Sep 11 2020(Updated: )

<p>An elevation of privilege vulnerability exists when Active Directory Federation Services (ADFS) improperly handles multi-factor authentication requests. An attacker who successfully exploited this vulnerability could bypass some, but not all, of the authentication factors.</p> <p>To exploit this vulnerability, an attacker could send a specially crafted authentication request.</p> <p>This security update corrects how ADFS handles multi-factor authentication requests.</p>

Credit: secure@microsoft.com secure@microsoft.com

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