CVE-2023-21689: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
First published: Tue Feb 14 2023(Updated: )
Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 11 | =21H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows 11 | =21H2 | |
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows 10 1507 | <10.0.10240.19747 | |
| Microsoft Windows 10 1507 | <10.0.10240.19747 | |
| Microsoft Windows 10 Version 1607 x86 | <10.0.14393.5717 | |
| Microsoft Windows 10 Version 1607 x86 | <10.0.14393.5717 | |
| Microsoft Windows 10 1809 | <10.0.17763.4010 | |
| Microsoft Windows 10 1809 | <10.0.17763.4010 | |
| Microsoft Windows 10 1809 | <10.0.17763.4010 | |
| Microsoft Windows 10 20H2 | <10.0.19042.2604 | |
| Microsoft Windows 10 20H2 | <10.0.19042.2604 | |
| Microsoft Windows 10 20H2 | <10.0.19042.2604 | |
| Microsoft Windows 10 21h2 | <10.0.19044.2604 | |
| Microsoft Windows 10 21h2 | <10.0.19044.2604 | |
| Microsoft Windows 10 21h2 | <10.0.19044.2604 | |
| Microsoft Windows 10 22h2 | <10.0.19045.2604 | |
| Microsoft Windows 10 22h2 | <10.0.19045.2604 | |
| Microsoft Windows 10 22h2 | <10.0.19045.2604 | |
| Microsoft Windows 11 21h2 | <10.0.22000.1574 | |
| Microsoft Windows 11 21h2 | <10.0.22000.1574 | |
| Microsoft Windows 11 22h2 | <10.0.22621.1265 | |
| Microsoft Windows 11 22h2 | <10.0.22621.1265 | |
| Microsoft Windows Server 2008 Itanium | =sp2 | |
| Microsoft Windows Server 2008 Itanium | =sp2 | |
| Microsoft Windows Server 2008 Itanium | =r2-sp1 | |
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows Server 2012 x64 | =r2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2022 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-21689?
CVE-2023-21689 has been evaluated with a high severity rating as it allows for remote code execution.
How do I fix CVE-2023-21689?
To fix CVE-2023-21689, update your affected Microsoft software to the latest security patches provided by Microsoft.
What software is affected by CVE-2023-21689?
CVE-2023-21689 affects various Microsoft products, including Windows Server 2016, Windows 10, Windows Server 2019, and Windows 11.
Can CVE-2023-21689 be exploited remotely?
Yes, CVE-2023-21689 can be exploited remotely, allowing attackers to execute arbitrary code.
Is there a workaround for CVE-2023-21689?
Currently, applying the relevant security updates is the recommended method to mitigate the risk associated with CVE-2023-21689, as there are no known effective workarounds.
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- agent/software-canonical-lookup-request
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- collector/nvd-api
- source/NVD
- vendor/microsoft
- canonical/microsoft windows server 2016
- canonical/microsoft windows 10
- version/microsoft windows 10/21h2
- canonical/microsoft windows server 2019
- version/microsoft windows 10/1809
- version/microsoft windows 10/1607
- canonical/microsoft windows server 2022
- canonical/microsoft windows server 2008 r2
- canonical/microsoft windows 11
- version/microsoft windows 11/22h2
- version/microsoft windows 10/22h2
- version/microsoft windows 11/21h2
- canonical/microsoft windows server 2012 r2
- version/microsoft windows 10/20h2
- canonical/microsoft windows server 2012 x64
- canonical/microsoft windows 10 1507
- canonical/microsoft windows 10 version 1607 x86
- canonical/microsoft windows 10 1809
- canonical/microsoft windows 10 20h2
- canonical/microsoft windows 10 21h2
- canonical/microsoft windows 10 22h2
- canonical/microsoft windows 11 21h2
- canonical/microsoft windows 11 22h2
- canonical/microsoft windows server 2008 itanium
- version/microsoft windows server 2008 itanium/sp2
- version/microsoft windows server 2008 itanium/r2-sp1
- version/microsoft windows server 2012 x64/r2