#VU19112 Improper control of interaction frequency in Windows Server - CVE-2019-1126
Published: July 10, 2019
Vulnerability identifier: #VU19112
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-1126
CWE-ID: CWE-799
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Windows Server
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to the way Active Directory Federation Services (ADFS) handles external authentication requests. A remote attacker can perform a brute-force attack and cause account lockouts in Active Directory.
Remediation
Install updates from vendor's website.