CVE-2022-21890
Published: 11 January 2022
Summary
CVE-2022-21890 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 4.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The vulnerability CVE-2022-21890 is a denial of service issue affecting the Windows Internet Key Exchange (IKE) Extension. It received a CVSS 3.1 base score of 7.5 reflecting network attack vector, low attack complexity, no required privileges or user interaction, and high impact to availability.
An unauthenticated remote attacker can send crafted network traffic to trigger the flaw and cause the IKE Extension to stop responding, resulting in denial of service against VPN or IPsec connectivity on the target system.
Microsoft published security guidance and updates for the issue through its standard advisory channels. The associated EPSS score reached a peak of 0.1877 and remains at that level with no material rise observed after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-27046
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.