CVE-2022-21984
Published: 09 February 2022
Summary
CVE-2022-21984 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 8.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2022-21984 is a remote code execution vulnerability affecting the Windows DNS Server component. It was assigned a CVSS 3.1 base score of 8.8 reflecting network attack vector, low attack complexity, low privileges required, and no user interaction, with high impact on confidentiality, integrity, and availability.
An authenticated attacker with network access can exploit the flaw to achieve remote code execution on the target DNS server, resulting in full compromise of the affected system.
Microsoft Security Response Center advisories for CVE-2022-21984 direct administrators to apply the patches released in the corresponding security update. The EPSS score shows a flat trajectory with both current and peak values at 0.0746 and no material rise after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-27139
Vulnerability details
Windows DNS Server Remote Code Execution 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.