#VU46470 Improper Authentication in Windows and Windows Server - CVE-2020-0837
Published: September 8, 2020
Vulnerability identifier: #VU46470
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-0837
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing multi-factor authentication requests in Active Directory Federation Services (ADFS). A remote attacker can bypass certain authentication factors and gain unauthorized access to the application.
Remediation
Install updates from vendor's website.