Input validation error in Windows Server - CVE-2020-1040
Published: July 14, 2020 / Updated: February 20, 2022
Vulnerability identifier: #VU29815
CSH Severity: Low
CVSS v4.0: 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/E:A/U:Clear
CVE-ID: CVE-2020-1040
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows Server
Windows Server
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input in Hyper-V RemoteFX vGPU on a host server. A remote authenticated attacker on the local network can run a specially crafted application to execute arbitrary code on the system.
How to mitigate CVE-2020-1040
Install updates from vendor's website.