CVE-2023-21689: Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
Published Feb 14, 2023
·Updated
Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
Affected Software
60 affected componentsFixes available
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows 11=22H2
Microsoft Windows 11=22H2
Microsoft Windows 11=21H2
Microsoft Windows 11=21H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows 10 1507<10.0.10240.19747
Microsoft Windows 10 1507<10.0.10240.19747
Microsoft Windows 10 1607<10.0.14393.5717
Microsoft Windows 10 1607<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=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Microsoft Windows 10=20H2
Microsoft Windows 10=20H2
Microsoft Windows 10=20H2
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2008 R2
Remediation
Event History
Feb 14, 2023
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
CVE Published
via MITRE·07:33 PM
Data Sourced
via MITRE·07:33 PM
DescriptionSeverity
Frequently Asked Questions
1
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.
2
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.
3
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.
4
Can CVE-2023-21689 be exploited remotely?
Yes, CVE-2023-21689 can be exploited remotely, allowing attackers to execute arbitrary code.
5
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.