#VU49457 Input validation error in Windows and Windows Server - CVE-2021-1673
Published: January 12, 2021
Vulnerability identifier: #VU49457
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1673
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in Remote Procedure Call Runtime. A remote authenticated attacker can pass specially crafted input to the application and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.