Security features bypass in Windows and Windows Server - CVE-2021-27092
Published: April 13, 2021
Vulnerability identifier: #VU52159
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-27092
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 attacker to bypass authentication process.
The vulnerability exists due to security feature bypass issue in Azure AD Web Sign-in. An attacker with physical access can gain elevated privileges on the target system.
How to mitigate CVE-2021-27092
Install updates from vendor's website.