CVE-2021-28443
vulnerability analysis and mitigation

Overview

Windows Console Driver Denial of Service Vulnerability (CVE-2021-28443) was disclosed on April 13, 2021. This vulnerability affects various versions of Microsoft Windows operating systems including Windows 10, Windows 7 SP1, and Windows 8.1 (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H, indicating local access is required, low attack complexity, low privileges required, no user interaction needed, and high impact on availability. The CVSS v2.0 score is 2.1 (Low) with vector (AV:L/AC:L/Au:N/C:N/I:N/A:P) (NVD).

Impact

The vulnerability primarily affects system availability, with potential for denial of service attacks against the Windows Console Driver. The CVSS metrics indicate no impact on confidentiality or integrity, but high impact on system availability (NVD).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability through their standard patch management system. Users should apply the available security updates through Windows Update (Microsoft Advisory).

Additional resources


SourceThis report was generated using AI

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management