CVE-2020-0837

MEDIUM

Windows 10 and Windows Server 2016/2019 - Elevation of Privilege via ADFS Multi-Factor Authentication Bypass

Title source: llm
STIX 2.1

Description

<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>

References (1)

Core 1
Core References

Scores

CVSS v3 5.0
EPSS 0.0144
EPSS Percentile 70.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Details

Status published
Products (10)
microsoft/windows_10 1607 (2 CPE variants)
microsoft/windows_10 1809
microsoft/windows_10 1903
microsoft/windows_10 1909
microsoft/windows_10 2004
microsoft/windows_server_2016
microsoft/windows_server_2016 1903
microsoft/windows_server_2016 1909
microsoft/windows_server_2016 2004
microsoft/windows_server_2019
Published Sep 11, 2020
Tracked Since Feb 18, 2026