Cyber Resilience

CVE-2022-21849

Critical

Published: 11 January 2022

Published
11 January 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.2480 96.3th percentile
Risk Priority 34 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-21849 is a critical-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 3.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

CVE-2022-21849 is a remote code execution vulnerability in the Windows Internet Key Exchange (IKE) Protocol Extensions. The flaw received a CVSS 3.1 base score of 9.8 and is tracked under NVD-CWE-noinfo, indicating insufficient information in the weakness enumeration.

An unauthenticated attacker can exploit the issue over the network without user interaction to achieve full compromise of confidentiality, integrity, and availability on the affected system. The attack vector requires no privileges and targets the IKE implementation directly.

Microsoft security advisories for CVE-2022-21849 are available at the listed MSRC update guide and portal URLs, which describe the vulnerability and direct administrators to the corresponding security updates. The EPSS score reached a peak of 0.2480 with no subsequent material increase from that level.

EU & UK References

Vulnerability details

Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
windows 10
1607, 1809, 1909, 20h2, 21h1
microsoft
windows 11
all versions
microsoft
windows server
2022, 20h2
microsoft
windows server 2016
all versions
microsoft
windows server 2019
all versions

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References