Vulnerability identifier: #VU22686
Vulnerability risk: Medium
CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Windows
Operating systems & Components /
Operating system
Windows Server
Operating systems & Components /
Operating system
Vendor: Microsoft
Description
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when Microsoft Hyper-V Network Switch on a host server does not properly validate input from a privileged user on a guest operating system.
Successful exploitation of the vulnerability may result denial of service (DoS) attack against the host system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Windows: 7, 8.1, 10 - 10 1903
Windows Server: 2008 - 2019 1903
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0712
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.