Input validation error in Windows and Windows Server - CVE-2021-42274
Published: November 9, 2021
Vulnerability identifier: #VU58038
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-42274
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in Windows Hyper-V Discrete Device Assignment (DDA). A remote authenticated attacker on the local network can pass specially crafted input to the application and perform a denial of service (DoS) attack.
How to mitigate CVE-2021-42274
Install updates from vendor's website.