Input validation error in Windows and Windows Server - CVE-2023-21695
Published: February 14, 2023
Vulnerability identifier: #VU72194
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-21695
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 user to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input within Microsoft Protected Extensible Authentication Protocol (PEAP). A remote user can send specially crafted PEAP packets to the system and execute arbitrary code.
Remediation
Install updates from vendor's website.