CVE-2020-0837
MEDIUMWindows 10 and Windows Server 2016/2019 - Elevation of Privilege via ADFS Multi-Factor Authentication Bypass
Title source: llmDescription
<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
Patch, Vendor Advisory x_refsource_misc
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0837
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