CVE-2022-21848
Published: 11 January 2022
Summary
CVE-2022-21848 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 6.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2022-21848 is a denial-of-service vulnerability in the Windows Internet Key Exchange (IKE) Extension. The flaw received a CVSS v3.1 base score of 7.5, reflecting network attack vector, low attack complexity, and no required privileges or user interaction, with the impact limited to high availability loss.
An unauthenticated remote attacker can send specially crafted IKE traffic to an affected Windows system, triggering the vulnerability and causing the IKE service to stop responding. Successful exploitation results in disruption of IPsec-based VPN connections and related network services without any impact on confidentiality or integrity.
Microsoft security advisories for CVE-2022-21848, published on the MSRC portal, direct administrators to the corresponding security update that resolves the issue. The EPSS score has remained flat at 0.1236 with no material increase after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-27004
Vulnerability details
Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.