Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2022-21889
CVE-2022-21889:
vulnerability analysis and mitigation
Overview
Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability (CVE-2022-21889) was disclosed on January 11, 2022. This vulnerability affects multiple versions of Microsoft Windows, including Windows 10, Windows 11, and Windows Server systems (NVD). The vulnerability specifically impacts the Windows IKE Extension component when the IPSec service is running (Rapid7).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating a network-accessible vulnerability requiring no privileges or user interaction to exploit (NVD). The vulnerability specifically affects the ikeext.dll component in the system (Qualys).
Impact
Successful exploitation of this vulnerability could allow an attacker to cause a denial of service condition on the affected system, potentially disrupting network communications that rely on IPSec (NVD, Rapid7).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The fixes are available through various KB articles including KB5009543, KB5009545, KB5009546, KB5009555, KB5009557, KB5009566, KB5009585, KB5009595, KB5009619, and KB5009624 (Qualys).
Additional resources
Source: This report was generated using AI
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