HTTP: Microsoft Window Kerberos CVE-2025-21299 Security Feature Bypass

This signature detects attempts to exploit a known vulnerability against Microsoft Windows Kerberos. A successful attack can lead to security bypass.

Extended Description

Windows Kerberos Security Feature Bypass Vulnerability

Affected Products

Microsoft windows_server_2025

References

CVE: CVE-2025-21299

Short Name
HTTP:STC:CVE-2025-21299-SEC-BYP
Severity
Major
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
Bypass CVE-2025-21299 Feature Kerberos Microsoft Security Window
Release Date
01/14/2025
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
3777
False Positive
Unknown
Vendors

Microsoft

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