Security features bypass in Windows and Windows Server - CVE-2021-28447
Published: April 13, 2021
Vulnerability identifier: #VU52161
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-28447
CWE-ID: CWE-254
Exploitation vector: Local access
Exploit availability:
No public exploit 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 issue in Windows Early Launch Antimalware Driver. A local administrator can gain elevated privileges on the target system.
How to mitigate CVE-2021-28447
Install updates from vendor's website.