Input validation error in Windows and Windows Server - CVE-2023-21677
Published: January 10, 2023
Vulnerability identifier: #VU70921
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-21677
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 perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in Windows Internet Key Exchange (IKE) Extension. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.