7.5
CVSSv3

CVE-2023-21547

Published: 10/01/2023 Updated: 27/04/2023
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

This vulnerability allows remote malicious users to create a denial-of-service condition on affected installations of Microsoft Windows. Authentication is not required to exploit this vulnerability. The specific flaw exists within the IKEEXT service, which listens on UDP ports 500 and 4500. A crafted Vendor ID payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

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microsoft windows server 2016 -

microsoft windows server 2019 -

microsoft windows server 2022 -

microsoft windows 11 22h2 -

microsoft windows 10 1607 -

microsoft windows 10 1809 -

microsoft windows 10 21h2 -

microsoft windows 10 22h2 -

microsoft windows 11 21h2 -