CVE-2023-21679: Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
First published: Tue Jan 10 2023(Updated: )
Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 7 | ||
| Microsoft Windows 7 | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows 8.1 | ||
| Microsoft Windows 8.1 | ||
| 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 Server 2016 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | ||
| Windows 11 | ||
| Windows 11 | ||
| Windows 11 | ||
| Windows 11 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows | ||
| Microsoft Windows | ||
| Microsoft Windows RT | ||
| Microsoft Windows Server | =sp2 | |
| 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 | ||
| 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 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-21679?
CVE-2023-21679 is rated as critical due to its potential for remote code execution.
How do I fix CVE-2023-21679?
To fix CVE-2023-21679, it is recommended to apply the security updates provided by Microsoft for affected Windows versions.
Which Windows products are affected by CVE-2023-21679?
CVE-2023-21679 affects multiple versions of Windows including Windows 10, Windows 11, and various Windows Server editions.
Is there a workaround for CVE-2023-21679?
While waiting for updates, disabling the Layer 2 Tunneling Protocol (L2TP) may serve as a temporary workaround.
What happens if my system is vulnerable to CVE-2023-21679?
If your system is vulnerable to CVE-2023-21679, an attacker could potentially execute arbitrary code remotely, compromising the security of your system.
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