Improper Authentication in Microsoft Windows and Windows Server - CVE-2024-38239

Vulnerability identifier: #VU97058

CSH Severity: Low

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-38239

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to an error when processing authentication requests in Windows Kerberos. A remote administrator can bypass authentication process and gain elevated privileges on the system.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.4894, 10 22H2 10.0.19041.4894, 10 22H2 10.0.19045.4894, 10 1507 10.0.10240.20766, 10 1607 10.0.14393.7336, 10 1809 10.0.17763.6293, 11 21H2 10.0.22000.3197, 11 22H2 10.0.22621.4169, 11 23H2 10.0.22631.4169, 11 24H2 10.0.26100.1742
Windows Server - addressed in versions 2008 R2 6.1.7601.27320, 2008 6.0.6003.22870, 2012 R2 6.3.9600.22175, 2012 6.2.9200.25073, 2022 23H2 10.0.25398.1128, 2022 10.0.20348.2695, 2022 10.0.20348.2700

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38239

• Improper Authentication in Microsoft Windows Kerberos