A security feature bypass vulnerability exists when Active Directory Federation Services (AD FS) improperly handles multi-factor authentication requests, aka "AD FS Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows Server 2012 R2, Windows 10 Servers.
http://www.securityfocus.com/bid/105029
http://www.securitytracker.com/id/1041474
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8340
Source: MITRE
Published: 2018-08-15
Updated: 2019-10-03
Type: NVD-CWE-noinfo
Base Score: 4
Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 8
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM