Improper control of interaction frequency in Windows Server - CVE-2019-1126

 

Improper control of interaction frequency in Windows Server - CVE-2019-1126

Published: July 10, 2019


Vulnerability identifier: #VU19112
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2019-1126
CWE-ID: CWE-799
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Windows Server

How to mitigate CVE-2019-1126

Install updates from vendor's website.


External References

Related Security Bulletins