7.5
Advisory Published
CVE Published
Updated

CVE-2023-28241: Windows Secure Socket Tunneling Protocol (SSTP) Denial of Service Vulnerability

First published: Tue Apr 11 2023(Updated: )

Windows Secure Socket Tunneling Protocol (SSTP) Denial of Service Vulnerability

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Windows 11=22H2
Windows 11=22H2
Windows 11=21H2
Windows 11=21H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows 10<10.0.10240.19869
Microsoft Windows 10<10.0.14393.5850
Microsoft Windows 10<10.0.17763.4252
Microsoft Windows 10<10.0.19042.2846
Microsoft Windows 10<10.0.19044.2846
Microsoft Windows 10<10.0.19045.2846
Windows 11<10.0.22000.1817
Windows 11<10.0.22621.1555
Microsoft Windows Server=sp2
Microsoft Windows Server=r2-sp1
Microsoft Windows Server
Microsoft Windows Server=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Windows 10=20H2
Windows 10=20H2
Windows 10=20H2
Windows 10=1809
Windows 10=1809
Windows 10=1809
Windows 10=22H2
Windows 10=22H2
Windows 10=22H2
Windows 10=1607
Windows 10=1607
Windows 10=21H2
Windows 10=21H2
Windows 10=21H2
Windows 10
Windows 10

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2023-28241?

    CVE-2023-28241 is classified as a Denial of Service vulnerability, impacting the availability of Windows environments.

  • How do I fix CVE-2023-28241?

    To fix CVE-2023-28241, apply the relevant security updates provided by Microsoft for your affected Windows version.

  • Which Windows versions are affected by CVE-2023-28241?

    CVE-2023-28241 affects multiple versions of Windows, including Windows 10, Windows 11, and various Windows Server versions.

  • Can CVE-2023-28241 be exploited remotely?

    Yes, CVE-2023-28241 can be exploited remotely, allowing attackers to potentially cause a denial of service.

  • Is there a workaround for CVE-2023-28241 before applying the patch?

    There are no known workarounds for CVE-2023-28241; applying the provided patches is the recommended action.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203