Summary
Impact: Remote Code Execution. Microsoft rating: Critical. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
How could an attacker exploit this vulnerability?
An unauthenticated attacker could send a specially crafted IP packet to a target machine that is running Windows and has IPSec enabled, which could enable a remote code execution exploitation.
Does this vulnerability affect all versions of Internet Key Exchange (IKE) Protocol?
No, this vulnerability only impacts IKEv1. IKEv2 is not impacted. However, all Windows Servers are affected because they accept both V1 and V2 packets.
Security updates
10.0.17763.3406 — https://support.microsoft.com/help/5017315
10.0.19043.2006 — https://support.microsoft.com/help/5017308
10.0.20348.1006 — https://support.microsoft.com/help/5017316
10.0.20348.916 — https://support.microsoft.com/help/5017392
10.0.22000.978 — https://support.microsoft.com/help/5017328
10.0.10240.19444 — https://support.microsoft.com/help/5017327
10.0.14393.5356 — https://support.microsoft.com/help/5017305
6.1.7601.26115 — https://support.microsoft.com/help/5017361
6.1.7601.26115 — https://support.microsoft.com/help/5017373
6.3.9600.20571 — https://support.microsoft.com/help/5017367
6.3.9600.20571 — https://support.microsoft.com/help/5017365
6.0.6003.21666 — https://support.microsoft.com/help/5017358
6.0.6003.21666 — https://support.microsoft.com/help/5017371
6.2.9200.23865 — https://support.microsoft.com/help/5017370
6.2.9200.23865 — https://support.microsoft.com/help/5017377
Vulnerabilities 1
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Critical 9.8CVE-2022-34721 EPSS 77%
Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability
Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability
Revision history
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#2
Added mitigation. This is an informational change only.
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#1
Information published.
References
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CVE-2022-34721 Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-34721
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss