CVE-2020-0837
ADFS MFA Elevation of Privilege Vulnerability
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 5EPSS 1.4%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
11 Sep 2020Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
<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>
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1607Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 1903 for 32-bit SystemsMicrosoft · Windows 10 Version 1903 for ARM64-based SystemsMicrosoft · Windows 10 Version 1903 for x64-based SystemsMicrosoft · Windows 10 Version 1909Microsoft · Windows 10 Version 2004Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server, version 1903 (Server Core installation)Microsoft · Windows Server, version 1909 (Server Core installation)Microsoft · Windows Server version 2004