Man-in-the-Middle (MitM) attack in Windows and Windows Server - CVE-2023-21526

 

Man-in-the-Middle (MitM) attack in Windows and Windows Server - CVE-2023-21526

Published: July 12, 2023


Vulnerability identifier: #VU78172
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-21526
CWE-ID: CWE-300
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.

The vulnerability exists due to the channel is accessible by non-endpoint in the Windows Netlogon. A remote attacker can perform a man-in-the-middle (MitM) attack and gain access to sensitive information.


How to mitigate CVE-2023-21526

Install updates from vendor's website.

Sources