#VU4848 Improper Authentication in Windows and Windows Server - CVE-2016-0049
Published: February 9, 2016 / Updated: April 7, 2020
Vulnerability identifier: #VU4848
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2016-0049
CWE-ID: CWE-287
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a local user to bypass authentication process.
The vulnerability exists due to security feature bypass in Windows when Kerberos fails to check
the password change of a user signing into a workstation.
An attacker could bypass Kerberos authentication by connecting a
workstation to a malicious Kerberos Key Distribution Center (KDC) and gain access to sensitive data.
Remediation
Install update from vendor's website.