Main Vulnerability Database Vulnerabilities #VU57307

Code Injection in Microsoft Windows and Windows Server - CVE-2021-40461

Published: October 12, 2021

Vulnerability identifier: #VU57307

CSH Severity: Medium

CVSS v4: 7.5 [CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-40461

CWE-ID: CWE-94

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in Windows Hyper-V. A remote authenticated attacker on the local network can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2021-40461

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40461

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