High MSRC-CVE-2023-21819 1 CVE

Windows Secure Channel Denial of Service Vulnerability

Published Feb 14, 2023 · Updated Feb 14, 2023

Vendor: Microsoft

Summary

Impact: Denial of Service. Microsoft rating: Important. Not known to be exploited — Exploitation More Likely. Customer action: Required.

Details

Security updates
10.0.17763.4010 — https://support.microsoft.com/help/5022840
10.0.20348.1547 — https://support.microsoft.com/help/5022842
10.0.20348.1540 — https://support.microsoft.com/help/5022921
10.0.19042.2604 — https://support.microsoft.com/help/5022834
10.0.22621.1574 — https://support.microsoft.com/help/5022836

Vulnerabilities 1

High 7.5

CVE-2023-21819 EPSS 31%

Windows Secure Channel Denial of Service Vulnerability

Windows Secure Channel Denial of Service Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Feb 14, 2023

Revision history

2023-02-14 #1
Information published.

References

CVE-2023-21819 Windows Secure Channel Denial of Service Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21819
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss