#VU22718 Improper Authentication in Windows and Windows Server - CVE-2019-1384
Published: November 13, 2019
Vulnerability identifier: #VU22718
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-1384
CWE-ID: CWE-287
Exploitation vector: Adjecent network
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 the NETLOGON message is able to obtain the session key and sign messages. A remote authenticated attacker can send a specially crafted authentication request, bypass authentication process and gain unauthorized access to another machine using the original user privileges.
Remediation
Install updates from vendor's website.