HTTP: Microsoft Windows CVE-2023-21819 Secure Channel Denial of Service

This signature detects attempts to exploit a known vulnerability against Windows Schannel. A successful attack can result in a denial-of-service condition.

Extended Description

Windows Secure Channel Denial of Service Vulnerability

Affected Products

Microsoft windows_10_21h2

References

CVE: CVE-2023-21819

Short Name
HTTP:CTS:CVE-2023-21819-DOS
Severity
Major
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2023-21819 Channel Denial Microsoft Secure Service Windows of
Release Date
02/14/2023
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3590
False Positive
Unknown
Vendors

Microsoft

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