Improper Authentication in Windows and Windows Server - CVE-2016-0049
Published: February 9, 2016 / Updated: April 7, 2020
Vulnerability identifier: #VU4848
CSH Severity: Low
CVSS v4.0: 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
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability 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.
How to mitigate CVE-2016-0049
Install update from vendor's website.